/* =====================================================
   UniCalc — Equivalency Calculator Styles
   Builds on base.css and calculator.css
   ===================================================== */

/* Section Headers */
.eq-section {
    margin-bottom: 32px;
}

.eq-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.eq-section-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.eq-section-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

/* Count Badge */
.eq-count-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.eq-count-badge.eq-count-partial {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
    border-color: rgba(234, 179, 8, 0.2);
}

.eq-count-badge.eq-count-ok {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border-color: rgba(34, 197, 94, 0.2);
}

/* Subject Row */
.eq-subject-row {
    display: grid;
    grid-template-columns: 1fr 120px 50px 36px;
    gap: 12px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--glass-divider);
    animation: eqFadeIn 0.25s ease;
}

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

@keyframes eqFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   CUSTOM DROPDOWN (themed)
   ===================================================== */

.eq-dropdown {
    position: relative;
    min-width: 0;
}

.eq-dd-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
}

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

.eq-dropdown.open .eq-dd-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.eq-dropdown-disabled .eq-dd-trigger {
    opacity: 0.7;
    cursor: default;
}

.eq-dd-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.eq-dd-placeholder {
    color: var(--text-tertiary);
}

.eq-dd-arrow {
    font-size: 0.55rem;
    color: var(--text-tertiary);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

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

.eq-dd-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(20, 20, 20, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 4px;
    z-index: 60;
    display: none;
    backdrop-filter: blur(20px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    max-height: 260px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
}

.eq-dd-menu::-webkit-scrollbar {
    display: none;
}

.eq-dropdown.open .eq-dd-menu {
    display: block;
    animation: eqMenuIn 0.15s ease;
}

@keyframes eqMenuIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.eq-dd-option {
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.12s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

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

/* Grade dropdown — compact */
.eq-dd-grade .eq-dd-trigger {
    justify-content: center;
    text-align: center;
    padding: 10px 8px;
}

.eq-dd-grade .eq-dd-text {
    text-align: center;
}

.eq-dd-grade .eq-dd-menu {
    min-width: 100px;
}

/* Marks display */
.eq-marks-display {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-align: center;
    transition: color 0.3s ease;
}

.eq-marks-display.eq-marks-active {
    color: var(--accent);
}

/* Remove button */
.eq-remove-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: var(--text-tertiary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
}

.eq-remove-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.eq-lock-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    opacity: 0.5;
}

/* Add subject button */
.eq-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    margin-top: 12px;
    background: transparent;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.eq-add-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

/* Error message */
.eq-error {
    display: none;
    padding: 14px 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 12px;
    color: #ef4444;
    font-size: 0.9rem;
    margin-bottom: 20px;
    animation: eqFadeIn 0.3s ease;
}

/* Divider */
.eq-divider {
    height: 1px;
    background: var(--glass-divider);
    margin: 8px 0;
}

/* Info banner */
.eq-info-banner {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 12px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.eq-info-banner p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.eq-info-banner strong {
    color: var(--text-primary);
}

/* =====================================================
   RESULTS
   ===================================================== */

#eqResults {
    display: none;
    animation: eqFadeIn 0.4s ease;
}

.eq-results-inner {
    padding: 40px;
}

.eq-results-header {
    text-align: center;
    margin-bottom: 32px;
}

.eq-results-header h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.eq-main-result {
    text-align: center;
    margin-bottom: 40px;
}

.eq-circle-wrap {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 16px;
}

.eq-progress-ring {
    width: 200px;
    height: 200px;
    transform: rotate(-90deg);
}

.eq-ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 8;
}

.eq-ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

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

.eq-circle-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.eq-circle-unit {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.eq-circle-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.eq-main-marks {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.eq-stream-badge {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 100px;
    color: #a78bfa;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.eq-info-note {
    padding: 12px 16px;
    background: rgba(234, 179, 8, 0.06);
    border: 1px solid rgba(234, 179, 8, 0.15);
    border-radius: 10px;
    color: #eab308;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.eq-breakdown-section {
    margin-bottom: 32px;
}

.eq-breakdown-section h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--glass-divider);
}

.eq-result-table {
    margin-bottom: 16px;
}

.eq-result-row {
    display: grid;
    grid-template-columns: 1fr 80px 80px;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.9rem;
    align-items: center;
}

.eq-result-row.eq-result-header {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
    border-bottom: none;
}

.eq-result-row.eq-result-total {
    border-top: 1px solid var(--glass-divider);
    border-bottom: none;
    font-weight: 600;
    margin-top: 4px;
    padding-top: 12px;
}

.eq-result-grade {
    text-align: center;
    font-weight: 500;
}

.eq-result-marks {
    text-align: right;
    font-family: var(--font-display);
    color: var(--accent);
    font-weight: 600;
}

.eq-matric-equiv {
    padding: 12px 16px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.eq-matric-equiv strong {
    color: var(--text-primary);
}

.eq-contrib {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.eq-contrib-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.eq-contrib-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.eq-contrib-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.eq-contrib-pct {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.eq-contrib-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 100px;
    overflow: hidden;
}

.eq-contrib-fill {
    height: 100%;
    border-radius: 100px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.eq-contrib-fill.eq-contrib-o {
    background: var(--accent);
}

.eq-contrib-fill.eq-contrib-a {
    background: #a78bfa;
}

.eq-insight {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.eq-insight strong {
    color: var(--text-primary);
}

.eq-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

/* =====================================================
   LIGHT THEME
   ===================================================== */

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

[data-theme="light"] .eq-dd-trigger:hover {
    border-color: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .eq-dd-menu {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

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

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

[data-theme="light"] .eq-remove-btn {
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .eq-count-badge {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .eq-ring-bg {
    stroke: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .eq-result-row.eq-result-header {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .eq-contrib-bar {
    background: rgba(0, 0, 0, 0.06);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 768px) {
    #eqForm {
        padding: 24px 16px !important;
    }

    .eq-info-banner {
        padding: 12px 14px;
    }

    .eq-info-banner p {
        font-size: 0.82rem;
    }

    .eq-add-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
    }

    .eq-section-hint {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .eq-divider {
        margin: 4px 0;
    }
}

@media (max-width: 640px) {
    .eq-subject-row {
        grid-template-columns: 1fr 32px;
        grid-template-rows: auto auto;
        gap: 6px 8px;
        padding: 10px 0;
    }

    .eq-dd-subject {
        grid-column: 1;
        grid-row: 1;
    }

    .eq-remove-btn,
    .eq-lock-icon {
        grid-column: 2;
        grid-row: 1;
        align-self: center;
    }

    .eq-dd-grade {
        grid-column: 1;
        grid-row: 2;
    }

    .eq-marks-display {
        grid-column: 2;
        grid-row: 2;
        font-size: 0.85rem;
        align-self: center;
    }

    .eq-dd-trigger {
        font-size: 0.85rem;
        padding: 9px 10px;
    }

    .eq-dd-option {
        font-size: 0.84rem;
        padding: 9px 10px;
    }

    .eq-dd-grade .eq-dd-trigger {
        justify-content: flex-start;
        text-align: left;
    }

    .eq-dd-grade .eq-dd-text {
        text-align: left;
    }

    .eq-results-inner {
        padding: 24px 16px;
    }

    .eq-result-row {
        grid-template-columns: 1fr 50px 65px;
        gap: 8px;
        font-size: 0.85rem;
        padding: 8px;
    }

    .eq-section-header {
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }

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

@media (max-width: 400px) {
    .eq-dd-trigger {
        font-size: 0.82rem;
        padding: 8px;
    }

    .eq-dd-option {
        font-size: 0.8rem;
        padding: 8px;
    }

    .eq-result-row {
        grid-template-columns: 1fr 42px 58px;
        font-size: 0.8rem;
        padding: 6px;
    }
}