/* =====================================================
   UniCalc — Calculator Page Styles
   Only loaded on calculator pages
   ===================================================== */

.app-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* App Container */
.app-container {
    background: rgba(15, 15, 15, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px;
    backdrop-filter: blur(20px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

/* Tabs */
.app-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow-x: auto;
    scrollbar-width: none;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.tab-btn:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tab-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Content Switching */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

/* Forms */
.form-section {
    margin-bottom: 24px;
}

.section-label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 16px;
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    appearance: none;
}

.toggle-group {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.toggle-option {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.toggle-option input {
    position: absolute;
    opacity: 0;
}

.toggle-btn {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    font-weight: 500;
}

.toggle-option input:checked+.toggle-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.form-grid > * {
    min-width: 0;
}

.full-width {
    grid-column: span 2;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.input-wrapper {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0 16px;
    transition: border-color 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 16px 0;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.1rem;
    outline: none;
}

.input-divider {
    color: var(--text-secondary);
    margin: 0 8px;
}

.field-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.pill-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pill-option input {
    position: absolute;
    opacity: 0;
}

.pill-btn {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.pill-option input:checked+.pill-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.nu-test-calculator-banner {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.nu-test-calculator-banner h4 {
    margin-bottom: 4px;
    font-size: 1rem;
    color: var(--accent);
}

.nu-test-calculator-banner p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.calc-form .btn-block {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    width: auto;
    min-width: 200px;
    justify-content: center;
}

/* Results View */
.aggregate-display {
    text-align: center;
    margin-bottom: 40px;
}

.circular-progress-container {
    display: flex;
    justify-content: center;
    margin: 32px 0;
}

.circular-progress {
    width: 160px;
    height: 160px;
    position: relative;
}

.circular-progress svg {
    width: 160px;
    height: 160px;
    transform: rotate(-90deg);
}

.circular-progress circle {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 8;
}

.circular-progress .progress-ring {
    stroke: var(--accent);
    stroke-dasharray: 440;
    stroke-dashoffset: var(--dash-offset, 440);
    transition: stroke-dashoffset 1.5s ease-out;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.inner-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-display);
}

.score-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breakdown-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breakdown-row:last-child {
    border-bottom: none;
}

.breakdown-value {
    font-family: monospace;
    color: var(--accent);
}

.admission-prediction {
    text-align: center;
    padding: 20px;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 32px;
}

.result-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Pattern Tab */
.content-card {
    background: rgba(255, 255, 255, 0.03);
    padding: clamp(16px, 4vw, 32px);
    border-radius: 16px;
}

.pattern-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 16px;
    margin: 24px 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 12px;
}

.pattern-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pattern-row span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pattern-row strong {
    font-size: 1.2rem;
}

.subject-table {
    margin: 32px 0;
}

.table-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    gap: 8px;
    flex-wrap: wrap;
}

.table-row.header {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pattern-tags {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.1);
}

.tag.negative {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.join-group-float {
    position: fixed;
    bottom: 20px;
    right: 16px;
    z-index: 100;
    max-width: calc(100vw - 32px);
}

.btn-success {
    background: #10b981;
    border: none;
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Mobile Responsive */
/* =====================================================
   Calculator Page Styles
   ===================================================== */

.calculator-page {
    min-height: 100vh;
    padding: calc(var(--header-height) + 40px) 0 80px;
    position: relative;
    overflow-x: hidden;
    overflow-y: visible;
}

.calculator-page > .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.calculator-page > .hero-bg .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    opacity: 0.3;
}

.calculator-page > .hero-bg .bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(20deg) translateY(-100px) scale(1.5);
    opacity: 0.6;
}

.calculator-page > .hero-bg .gradient-sphere {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    top: -100px;
    right: -100px;
}

.calculator-page > .hero-bg .gradient-sphere.secondary {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    top: auto;
    bottom: -50px;
    left: -80px;
    right: auto;
}

.calculator-page > .container {
    position: relative;
    z-index: 1;
}

.calc-page-header {
    margin-bottom: 60px;
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: var(--text-primary);
}

.breadcrumb-sep {
    color: var(--text-tertiary);
}

.breadcrumb-current {
    color: var(--text-primary);
}

.calc-page-title {
    font-size: clamp(3rem, 10vw, 5rem);
    margin-bottom: 20px;
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
}

.calc-page-subtitle {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Main Calculator Container */
.calc-main-container {
    background: rgba(20, 20, 20, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 0;
    width: 100%;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.6),
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    overflow: visible;
    position: relative;
}

/* Tab Navigation */
.calc-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(10, 10, 10, 0.5);
    overflow-x: auto;
    scrollbar-width: none;
}

.calc-tabs::-webkit-scrollbar {
    display: none;
}

.calc-tab {
    flex: 1;
    min-width: 120px;
    padding: 20px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.calc-tab:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.calc-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

.calc-tab:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tab-label {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Tab Content */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.calc-tab-content {
    display: none;
    padding: 40px;
}

.calc-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Form Styles */
.calc-form {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 100%;
    overflow: visible;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--glass-divider);
}

.form-label {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

/* Select Wrapper */
.form-select[data-customized] {
    display: none !important;
}

/* Custom Dropdown */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.custom-dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-dropdown-trigger span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-dropdown-trigger:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.custom-dropdown.open .custom-dropdown-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.custom-dropdown-arrow {
    font-size: 0.65rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.custom-dropdown.open .custom-dropdown-arrow {
    transform: rotate(180deg);
}

.custom-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 6px;
    z-index: 50;
    display: none;
    backdrop-filter: blur(20px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.custom-dropdown.open .custom-dropdown-menu {
    display: block;
}

.custom-dropdown-option {
    padding: 12px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.custom-dropdown-option:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.custom-dropdown-option.selected {
    background: rgba(59, 130, 246, 0.12);
    color: var(--text-primary);
    font-weight: 500;
}

[data-theme="light"] .custom-dropdown-trigger {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .custom-dropdown-menu {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .custom-dropdown-option:hover {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .custom-dropdown-option.selected {
    background: rgba(37, 99, 235, 0.08);
}

.select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    appearance: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.select-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Toggle Group */
.toggle-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.toggle-option {
    position: relative;
    cursor: pointer;
}

.toggle-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-btn {
    display: block;
    padding: 12px 24px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.toggle-option input:checked+.toggle-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.toggle-option:hover .toggle-btn {
    border-color: rgba(255, 255, 255, 0.2);
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.form-grid > * {
    min-width: 0;
}

.input-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 0 20px;
    background: none;
    border: none;
    border-bottom: 1px solid var(--glass-divider);
    border-radius: 0;
    min-width: 0;
    overflow: visible;
}

.input-card.full-width {
    padding-bottom: 20px;
}

.input-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.input-card.full-width {
    grid-column: 1 / -1;
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-label {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.input-weight {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
}

.input-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 100%;
}

.form-input {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    background: rgba(5, 5, 5, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input-total {
    flex: 0 0 auto;
    width: 90px;
    min-width: 80px;
    text-align: center;
}

.input-separator {
    color: var(--text-tertiary);
    font-weight: 600;
}

.input-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}


/* Pill Group */
.pill-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pill-option {
    position: relative;
    cursor: pointer;
}

.pill-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pill-btn {
    display: block;
    padding: 10px 20px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pill-option input:checked+.pill-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.pill-option:hover .pill-btn {
    border-color: rgba(255, 255, 255, 0.2);
}

/* NU Calculator Banner */
.nu-calc-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 0;
    gap: 12px;
    border-top: 1px solid var(--glass-divider);
}

.banner-content h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.banner-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-divider);
}

.btn-block {
    width: auto;
    min-width: 220px;
    max-width: 100%;
}

/* Results Tab Styles */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.results-header h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 5vw, 2rem);
    margin-bottom: 0;
    padding: 0 4px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.aggregate-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.aggregate-circle {
    position: relative;
    width: min(240px, 65vw);
    height: min(240px, 65vw);
}

.progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-ring-background {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 534;
    /* 2 * pi * 85 */
    stroke-dashoffset: 534;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.aggregate-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 85%;
    max-width: 100%;
}

.aggregate-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 10vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.aggregate-unit {
    font-size: clamp(1.2rem, 5vw, 2rem);
    color: var(--text-secondary);
    margin-left: 4px;
}

.aggregate-label {
    display: block;
    font-size: clamp(0.7rem, 2.5vw, 0.9rem);
    color: var(--text-secondary);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.aggregate-status {
    text-align: center;
}

.status-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.pending {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.status-badge.low {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.status-badge.medium {
    background: rgba(234, 179, 8, 0.2);
    color: #eab308;
}

.status-badge.high {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

/* Breakdown Section */
.breakdown-section h4 {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 4vw, 1.3rem);
    margin-bottom: 24px;
    overflow-wrap: break-word;
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 20px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.breakdown-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.breakdown-label {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.breakdown-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.breakdown-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 80px;
    text-align: right;
}

/* Rank Input Card (NUST, GIKI) */
.rank-input-card {
    padding: 20px 24px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 16px;
    margin-bottom: 16px;
}
.rank-input-header h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 4px;
}
.rank-input-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.rank-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.rank-hash {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-secondary);
}
.rank-input {
    max-width: 140px;
    -moz-appearance: textfield;
}
.rank-input::-webkit-outer-spin-button,
.rank-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.rank-closing-ref {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 400;
}
[data-theme="light"] .rank-input-card {
    background: rgba(59, 130, 246, 0.04);
    border-color: rgba(59, 130, 246, 0.15);
}

/* Prediction Card */
.prediction-card {
    padding: 24px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
}

.prediction-header h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.prediction-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Formula Card */
.formula-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    flex-wrap: wrap;
}

.formula-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.formula-card p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.formula-card strong {
    color: var(--text-primary);
}

/* Results Actions */
.results-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Pattern Tab Styles */
.pattern-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.pattern-header {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.pattern-icon {
    font-size: 2rem;
}

.pattern-header h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 5vw, 2rem);
    margin: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.pattern-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.pattern-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pattern-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.subject-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.subject-section h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
}

.subject-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.subject-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    gap: 12px;
}

.subject-name {
    color: var(--text-primary);
    font-weight: 500;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.subject-count {
    color: var(--accent);
    font-weight: 600;
}

.pattern-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pattern-tag {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    border: none;
}

.pattern-tag.negative {
    background: rgba(239, 68, 68, 0.08);
    color: #ef4444;
}

.pattern-note {
    padding: 20px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.pattern-note strong {
    color: var(--text-primary);
}

/* Merit Tab Styles */
.merit-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.merit-header h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 5vw, 2rem);
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.merit-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Campus Filter */
.merit-campus-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.merit-filter-btn {
    padding: 7px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.merit-filter-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.merit-filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.merit-filter-select {
    width: 100%;
    max-width: 360px;
}

.merit-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.merit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    gap: 16px;
}

.merit-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(10, 10, 10, 0.5);
}

.merit-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.merit-program {
    font-weight: 600;
    color: var(--text-primary);
    overflow-wrap: break-word;
    word-break: break-word;
}

.merit-campus {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.merit-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* Merit Campus Table Styles */
.merit-campus-section {
    margin-bottom: 32px;
}

.merit-campus-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.merit-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.merit-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.merit-table thead {
    background: rgba(255, 255, 255, 0.03);
}

.merit-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.merit-table td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.merit-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.merit-table tbody tr:last-child td {
    border-bottom: none;
}

.merit-value-cell {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent);
    font-size: 1rem;
}

.merit-note {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.merit-empty {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

/* Pattern Tag Styles */
.pattern-tag.positive {
    background: rgba(34, 197, 94, 0.08);
    color: rgb(34, 197, 94);
}

.pattern-tag.info {
    background: rgba(59, 130, 246, 0.08);
    color: rgb(59, 130, 246);
}

.pattern-no-test {
    padding: 48px 24px;
    text-align: center;
}

.no-test-message {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 16px;
}

.pattern-alt-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.pattern-empty {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .merit-table th,
    .merit-table td {
        padding: 12px;
        font-size: 0.85rem;
    }

    .merit-campus-title {
        font-size: 1.1rem;
    }
}

/* Facts Tab Styles */
.facts-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.facts-header h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 5vw, 2rem);
    overflow-wrap: break-word;
    word-break: break-word;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.fact-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 32px;
    background: rgba(10, 10, 10, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.fact-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(10, 10, 10, 0.5);
    transform: translateY(-2px);
}

.fact-icon {
    font-size: 2.5rem;
}

.fact-card h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin: 0;
}

.fact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* =====================================================
   CALCULATOR RESPONSIVE DESIGN
   ===================================================== */

/* Tablet Portrait (768px) */
@media (max-width: 768px) {
    /* Calculator Page */
    .calculator-page {
        padding: calc(var(--header-height) + 20px) 0 40px;
    }

    .calc-page-header {
        margin-bottom: 40px;
    }

    .calc-page-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }

    .calc-main-container {
        border-radius: 16px;
    }

    .calc-tab {
        padding: 16px 12px;
        font-size: 0.85rem;
        min-width: 90px;
    }

    .calc-tab-content {
        padding: 24px 16px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .input-card {
        padding: 0 0 16px;
    }


    .nu-calc-banner {
        padding: 12px 0;
    }

    .aggregate-circle {
        width: 180px;
        height: 180px;
    }

    .aggregate-value {
        font-size: 2.2rem;
    }

    .aggregate-unit {
        font-size: 1.3rem;
    }

    .breakdown-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .breakdown-value {
        text-align: left;
    }

    .results-actions {
        flex-direction: column;
        align-items: center;
    }

    .results-actions .btn {
        width: auto;
    }

    .formula-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .pattern-grid {
        grid-template-columns: 1fr;
    }

    .facts-grid {
        grid-template-columns: 1fr;
    }

    .fact-card {
        padding: 24px;
    }
}

/* Mobile Large (576px) */
@media (max-width: 576px) {
    /* Input fixes for mobile */
    .input-row {
        gap: 8px;
    }

    .form-input-total {
        width: 82px;
        min-width: 72px;
        padding: 14px 10px;
        text-align: center;
        font-size: 0.95rem;
    }

    /* Calculator Page */
    .calculator-page {
        padding: calc(var(--header-height) + 16px) 0 30px;
    }

    .breadcrumb {
        font-size: 0.85rem;
        gap: 8px;
        margin-bottom: 24px;
    }

    .calc-page-header {
        margin-bottom: 30px;
    }

    .calc-page-title {
        font-size: clamp(1.8rem, 12vw, 2.8rem);
    }

    .calc-page-subtitle {
        font-size: 1rem;
    }

    .calc-main-container {
        border-radius: 12px;
    }

    .calc-tabs {
        overflow-x: auto;
    }

    .calc-tab {
        padding: 14px 10px;
        font-size: 0.82rem;
        min-width: 80px;
    }

    .calc-tab-content {
        padding: 20px 14px;
        padding-bottom: 30px;
    }

    .calc-form {
        gap: 24px;
    }

    .form-label {
        font-size: 0.95rem;
    }

    .toggle-group {
        flex-direction: column;
        gap: 8px;
    }

    .toggle-btn {
        padding: 12px 18px;
        font-size: 0.9rem;
        text-align: center;
    }

    .input-card {
        padding: 0 0 16px;
    }

    .input-label {
        font-size: 0.95rem;
    }

    .input-weight {
        font-size: 0.8rem;
    }

    .form-input {
        padding: 14px 14px;
        font-size: 1rem;
    }

    .pill-group {
        gap: 8px;
    }

    .pill-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .nu-calc-banner {
        padding: 8px 0;
    }

    .banner-content h4 {
        font-size: 1rem;
    }

    .banner-content p {
        font-size: 0.85rem;
    }

    .aggregate-circle {
        width: 180px;
        height: 180px;
    }

    .aggregate-value {
        font-size: 2.2rem;
    }

    .aggregate-unit {
        font-size: 1.2rem;
    }

    .aggregate-label {
        font-size: 0.75rem;
    }

    .breakdown-section h4 {
        font-size: 1.1rem;
    }

    .breakdown-item {
        padding: 16px;
    }

    .breakdown-label {
        font-size: 0.9rem;
    }

    .breakdown-value {
        font-size: 1rem;
    }

    .pattern-card {
        padding: 18px;
    }

    .pattern-label {
        font-size: 0.85rem;
    }

    .pattern-value {
        font-size: 1.3rem;
    }

    .subject-item {
        padding: 14px 16px;
    }

    .fact-card {
        padding: 20px;
    }

    .fact-icon {
        font-size: 2rem;
    }

    .fact-card h4 {
        font-size: 1.1rem;
    }

    .fact-card p {
        font-size: 0.9rem;
    }

    /* Calculator Form Actions - mobile */
    .calc-form .form-actions {
        display: flex;
        justify-content: center;
    }

    .calc-form .form-actions .btn-block {
        width: auto;
        min-width: 180px;
        padding: 13px 30px;
        font-size: 0.9rem;
    }
}

/* Mobile Small (400px and below) */
@media (max-width: 400px) {
    .calc-tab {
        min-width: 65px;
        font-size: 0.75rem;
    }

    /* Calculator Page - Extra small mobile */
    .calc-tab-content {
        padding: 16px 12px;
    }

    .input-card {
        padding: 0 0 16px;
    }

    .input-row {
        gap: 6px;
    }

    .form-input {
        padding: 12px 12px;
        font-size: 0.95rem;
    }

    .form-input-total {
        width: 72px;
        min-width: 60px;
        padding: 10px 8px;
        text-align: center;
        font-size: 0.9rem;
    }

    .input-separator {
        font-size: 0.85rem;
    }
}

/* =====================================================
   Prediction Model Output Styles
   ===================================================== */

.prediction-campus {
    margin-bottom: 20px;
}

.prediction-campus:last-child {
    margin-bottom: 0;
}

.prediction-campus-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.prediction-programs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prediction-program-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    gap: 12px;
}

.prediction-program-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    overflow-wrap: break-word;
}

.prediction-probability {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 4px 12px;
    border-radius: 100px;
    white-space: nowrap;
    flex-shrink: 0;
}

.prediction-probability.high {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.prediction-probability.good {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.prediction-probability.low {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.prediction-probability.poor {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.prediction-note {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-style: italic;
    line-height: 1.5;
}

.prediction-test-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding: 8px 14px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.merit-test-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border: 1px solid rgba(59, 130, 246, 0.15);
}

/* Mobile responsiveness for prediction */
@media (max-width: 576px) {
    .prediction-program-row {
        padding: 10px 12px;
        gap: 8px;
    }

    .prediction-program-name {
        font-size: 0.85rem;
    }

    .prediction-probability {
        font-size: 0.75rem;
        padding: 3px 10px;
        white-space: nowrap;
    }

    .prediction-campus-title {
        font-size: 0.9rem;
    }
}

/* =====================================================
   Merit Table Mobile Responsiveness
   ===================================================== */

.merit-table-wrapper {
    overflow-x: auto;
    margin: 0 -4px;
    padding: 0 4px;
}

@media (max-width: 576px) {
    .merit-table {
        font-size: 0.9rem;
    }

    .merit-table th,
    .merit-table td {
        padding: 10px 8px;
    }

    .merit-campus-title {
        font-size: 1rem;
    }

    .merit-header h3 {
        font-size: 1.1rem;
    }

    .merit-subtitle {
        font-size: 0.9rem;
    }
}

/* Tab scroll fade hint on mobile */
@media (max-width: 768px) {
    .app-tabs { position: relative; }
    .app-tabs::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 30px;
        background: linear-gradient(to right, transparent, var(--bg-base));
        pointer-events: none;
        z-index: 2;
    }
}

/* =====================================================
   LIGHT THEME OVERRIDES — Calculator
   ===================================================== */
[data-theme="light"] .app-container,
[data-theme="light"] .calc-main-container {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .app-tabs,
[data-theme="light"] .calc-tabs {
    border-bottom-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .tab-btn:hover:not(:disabled),
[data-theme="light"] .calc-tab:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .input-card {
    background: none;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .input-card:last-child {
    border-bottom: none;
}
[data-theme="light"] .form-input {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}
[data-theme="light"] .form-input:focus {
    border-color: var(--accent);
    background: #ffffff;
}
[data-theme="light"] .form-select {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}
[data-theme="light"] .toggle-btn {
    border-color: rgba(0, 0, 0, 0.1);
    background: transparent;
    color: var(--text-secondary);
}
[data-theme="light"] .toggle-option input:checked + .toggle-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
[data-theme="light"] .pill-btn {
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
}
[data-theme="light"] .pill-option input:checked + .pill-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
[data-theme="light"] .aggregate-display {
    background: transparent;
}
[data-theme="light"] .progress-ring-background {
    stroke: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .breakdown-item {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .breakdown-bar {
    background: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .prediction-card {
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .formula-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .nu-calc-banner {
    background: none;
    border: none;
}
[data-theme="light"] .merit-table th {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .merit-table td {
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .merit-table tr:hover td {
    background: rgba(0, 0, 0, 0.02);
}
[data-theme="light"] .merit-campus-section {
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .prediction-program-row {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .prediction-campus-title {
    border-bottom-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .pattern-section {
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .pattern-table th {
    background: rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .pattern-table td,
[data-theme="light"] .pattern-table th {
    border-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .pattern-note {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .pattern-card {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .pattern-tag.negative {
    background: rgba(239, 68, 68, 0.08);
    color: #dc2626;
}
[data-theme="light"] .pattern-tag.positive {
    background: rgba(34, 197, 94, 0.08);
    color: #16a34a;
}
[data-theme="light"] .pattern-tag.info {
    background: rgba(59, 130, 246, 0.08);
    color: #2563eb;
}
[data-theme="light"] .calc-page-header .breadcrumb-link {
    color: var(--text-secondary);
}
[data-theme="light"] .hero-bg .bg-image {
    opacity: 0.15;
}
[data-theme="light"] .gradient-sphere {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}
[data-theme="light"] .gradient-sphere.secondary {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
}
[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

/* =====================================================
   MOBILE PERFORMANCE OVERRIDES
   Must be at the END of calculator.css to win the cascade
   over non-media-query rules defined earlier in this file.
   ===================================================== */

@media (max-width: 768px) {
    /* Fix cascade: earlier backdrop-filter/box-shadow rules override base.css mobile fixes */
    .calc-main-container {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    /* Remove expensive bg-grid (200% × 200% with perspective transform) */
    .calculator-page > .hero-bg .bg-grid {
        display: none;
    }

    /* Simplify gradient spheres — blur(60px) is very expensive on mobile GPUs */
    .calculator-page > .hero-bg .gradient-sphere,
    .calculator-page > .hero-bg .gradient-sphere.secondary {
        filter: blur(30px);
        opacity: 0.4;
        width: 200px;
        height: 200px;
    }

    /* Make tab taps reliable: prevent touch delay, avoid animating layout props */
    .calc-tab {
        transition: color 0.15s ease, border-color 0.15s ease;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        min-width: 0; /* Let flex: 1 distribute space — prevents scroll on ~360px phones */
        flex: 1 1 0;
        text-align: center;
    }

    /* Prevent scroll-vs-tap conflict — scrollable containers eat taps on real phones */
    .calc-tabs {
        -webkit-overflow-scrolling: auto;
        overflow-x: hidden;
    }

    /* Skip fadeIn animation on tab switch to reduce jank */
    .calc-tab-content.active {
        animation: none;
    }

    /* CSS containment for merit sections — helps browser optimize reflows */
    .merit-campus-section {
        contain: layout style;
    }
}

@media (max-width: 576px) {
    .calc-tabs {
        -webkit-overflow-scrolling: auto;
        overflow-x: hidden;
    }

    .calc-tab {
        min-width: 0;
        flex: 1 1 0;
        text-align: center;
    }

    /* Ensure gradient spheres stay simple on small phones */
    .calculator-page > .hero-bg .gradient-sphere,
    .calculator-page > .hero-bg .gradient-sphere.secondary {
        width: 150px;
        height: 150px;
        filter: blur(20px);
    }
}

/* Very small phones (320px) */
@media (max-width: 340px) {
    .calc-tab {
        padding: 12px 6px;
        font-size: 0.72rem;
    }

    .calc-tab-content {
        padding: 14px 10px;
    }

    .input-card {
        padding: 0 0 16px;
    }

    .input-row {
        gap: 4px;
    }

    .form-input {
        padding: 10px 8px;
        font-size: 0.9rem;
    }

    .form-input-total {
        width: 60px;
        min-width: 54px;
        padding: 10px 6px;
        font-size: 0.85rem;
    }

    .toggle-btn {
        padding: 10px 12px;
        font-size: 0.82rem;
    }

    .pill-btn {
        padding: 8px 12px;
        font-size: 0.82rem;
    }

    .aggregate-circle {
        width: min(160px, 55vw);
        height: min(160px, 55vw);
    }

    .aggregate-value {
        font-size: 1.8rem;
    }

    .aggregate-unit {
        font-size: 1rem;
    }

    .results-header h3 {
        font-size: 1.2rem;
    }

    .breakdown-item {
        padding: 14px;
        gap: 10px;
    }

    .breakdown-label {
        font-size: 0.82rem;
    }

    .breakdown-value {
        font-size: 0.9rem;
        min-width: 60px;
    }

    .pattern-card {
        padding: 14px;
    }

    .pattern-value {
        font-size: 1.1rem;
    }

    .merit-header h3 {
        font-size: 1rem;
    }

    .merit-item {
        padding: 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .merit-value {
        font-size: 1.2rem;
    }

    .fact-card {
        padding: 16px;
    }

    .fact-card h4 {
        font-size: 1rem;
    }

    .calc-form .form-actions .btn-block {
        min-width: 160px;
        padding: 12px 20px;
        font-size: 0.85rem;
    }

    .prediction-program-row {
        padding: 8px 10px;
        gap: 6px;
    }

    .prediction-program-name {
        font-size: 0.8rem;
    }

    .prediction-probability {
        font-size: 0.7rem;
        padding: 2px 8px;
    }

    .nu-calc-banner {
        padding: 8px 0;
        gap: 8px;
    }

    .banner-content h4 {
        font-size: 0.9rem;
    }

    .banner-content p {
        font-size: 0.8rem;
    }

    .calc-page-title {
        font-size: clamp(1.5rem, 11vw, 2.2rem);
    }

    .breadcrumb {
        font-size: 0.8rem;
        gap: 6px;
        margin-bottom: 20px;
    }
}