:root {
    --lapis: #1a365d;
    --lapis-light: #2c4a7c;
    --lapis-dark: #0f1f38;
    --gold: #d4af37;
    --gold-light: #e8c94d;
    --gold-pale: #f5e6b3;
    --ivory: #faf8f5;
    --ivory-dark: #f0ebe3;
    --text: #1a1a2e;
    --text-light: #4a4a5e;
    --text-muted: #8a8a9e;
    --success: #2d5a4a;
    --danger: #8b3a3a;
    --shadow: rgba(26, 54, 93, 0.08);
    --shadow-lg: rgba(26, 54, 93, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Noto Serif SC', serif;
    background: var(--ivory);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Geometric Background Pattern */
.geometric-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image:
        radial-gradient(circle at 0% 0%, var(--lapis) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, var(--gold) 0%, transparent 40%);
}

.geometric-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231a365d' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Header */
.header {
    position: relative;
    background: linear-gradient(165deg, var(--lapis-dark) 0%, var(--lapis) 50%, var(--lapis-light) 100%);
    padding: 80px 24px 100px;
    text-align: center;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 120%, var(--gold) 0%, transparent 50%);
    opacity: 0.1;
}

.header-decoration {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 40px;
    opacity: 0.3;
}

.header-decoration svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--gold);
    stroke-width: 1;
}

/* Header Moon (for index) */
.header-moon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-moon::before {
    content: '';
    position: absolute;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: transparent;
    box-shadow: inset -12px -6px 0 4px var(--gold);
    opacity: 0.25;
    animation: moonGlow 4s ease-in-out infinite;
}

.header-moon svg {
    width: 40px;
    height: 40px;
    fill: var(--gold);
    position: relative;
    z-index: 1;
}

@keyframes moonGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.25;
        filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.3));
    }
    50% {
        transform: scale(1.08);
        opacity: 0.4;
        filter: drop-shadow(0 0 16px rgba(212, 175, 55, 0.5));
    }
}

/* Header Icon (for result) */
.header-icon {
    position: relative;
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-icon::before {
    content: '';
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: transparent;
    box-shadow: inset -10px -5px 0 3px var(--gold);
    opacity: 0.25;
}

.header-icon svg {
    width: 32px;
    height: 32px;
    fill: var(--gold);
    position: relative;
    z-index: 1;
}

.header h1 {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.header-subtitle {
    font-family: 'Amiri', serif;
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.header-subtitle.simple {
    font-family: inherit;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.header-quote {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
    z-index: 1;
    font-style: italic;
}

.header-quote::before,
.header-quote::after {
    content: '"';
    color: var(--gold);
    font-size: 1.2rem;
}

/* Main Container */
.container {
    max-width: 720px;
    margin: -60px auto 60px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 4px 24px var(--shadow), 0 0 0 1px rgba(0, 0, 0, 0.02);
    margin-bottom: 24px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, 0.02);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--ivory) 0%, #fff 100%);
    border-bottom: 1px solid var(--ivory-dark);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.card-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0.1;
}

.card-icon.gold {
    color: var(--gold);
}

.card-icon.lapis {
    color: var(--lapis);
}

.card-icon.emerald {
    color: var(--success);
}

.card-icon.coral {
    color: var(--danger);
}

.card-icon svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    position: relative;
    z-index: 1;
}

.card-title-group {
    flex: 1;
}

.card-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.card-body {
    padding: 28px;
}

/* Unit Toggle */
.unit-toggle {
    display: flex;
    background: var(--ivory);
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
}

.unit-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.unit-btn.active {
    background: #fff;
    color: var(--lapis);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Price Fetch Button */
.fetch-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    color: var(--lapis);
    border: 1.5px solid var(--lapis);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
}

.fetch-btn:hover {
    background: var(--lapis);
    color: #fff;
}

.fetch-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.fetch-btn .spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Price Status */
.price-status {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    font-weight: 500;
    display: none;
}

.price-status.show {
    display: block;
}

.price-status.loading {
    background: var(--ivory);
    color: var(--text-light);
}

.price-status.success {
    background: #e8f5f0;
    color: var(--success);
}

.price-status.error {
    background: #fdf2f2;
    color: var(--danger);
}

/* Form Elements */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 4px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    pointer-events: none;
}

input[type="number"] {
    width: 100%;
    padding: 14px 56px 14px 18px;
    border: 2px solid var(--ivory-dark);
    border-radius: 14px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: var(--ivory);
    transition: all 0.25s ease;
    outline: none;
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

input[type="number"]:focus {
    border-color: var(--lapis);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(26, 54, 93, 0.08);
}

input[type="number"]::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
    padding-left: 4px;
}

/* Section Labels */
.section-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--lapis);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 28px 0 16px;
    padding-top: 24px;
    border-top: 1px dashed var(--ivory-dark);
}

.section-label:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.section-label svg {
    width: 16px;
    height: 16px;
    fill: var(--lapis);
}

/* Checkbox */
.hawl-section {
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--ivory) 0%, #fff 100%);
    border-top: 1px solid var(--ivory-dark);
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    accent-color: var(--lapis);
    flex-shrink: 0;
    cursor: pointer;
}

.checkbox-content {
    flex: 1;
}

.checkbox-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.checkbox-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Alert */
.alert {
    margin: 0 28px 20px;
    padding: 14px 18px;
    background: #fdf2f2;
    border: 1px solid rgba(139, 58, 58, 0.2);
    border-radius: 12px;
    color: var(--danger);
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
}

.alert.show {
    display: block;
}

/* Buttons */
.btn-group {
    display: flex;
    gap: 12px;
    padding: 0 28px 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.btn-primary {
    flex: 1;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--lapis) 0%, var(--lapis-light) 100%);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(26, 54, 93, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26, 54, 93, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    padding: 16px 24px;
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--ivory-dark);
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    background: var(--ivory);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--gold);
    margin: 0 auto 20px;
    opacity: 0.5;
}

.footer-arabic {
    font-family: 'Amiri', serif;
    font-size: 1.1rem;
    color: var(--lapis);
    margin-bottom: 8px;
}

/* ==================== Result Page Specific Styles ==================== */

/* Timestamp */
.timestamp {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* Result Hero */
.result-hero {
    text-align: center;
    padding: 48px 32px;
    background: linear-gradient(135deg, var(--ivory) 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.result-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--lapis), var(--gold), var(--lapis));
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.status-badge.reached {
    background: linear-gradient(135deg, #e8f5f0 0%, #d4ede3 100%);
    color: var(--success);
}

.status-badge.not-reached {
    background: linear-gradient(135deg, #f5f5f5 0%, #ebebeb 100%);
    color: var(--text-muted);
}

.status-badge svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.zakat-amount {
    font-family: 'Noto Serif SC', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--lapis);
    line-height: 1.2;
    margin-bottom: 8px;
}

.zakat-amount.zero {
    color: var(--text-muted);
}

.zakat-amount .currency {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-light);
    margin-left: 8px;
}

.status-text {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Nisab Progress */
.nisab-section {
    padding: 24px 32px;
    border-top: 1px solid var(--ivory-dark);
    background: #fff;
}

.nisab-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.nisab-label strong {
    color: var(--text);
    font-weight: 600;
}

.progress-container {
    position: relative;
    height: 10px;
    background: var(--ivory-dark);
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--lapis), var(--gold));
    transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    min-width: 0;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.nisab-values {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Detail Sections */
.detail-section {
    padding: 24px 32px;
    border-top: 1px solid var(--ivory-dark);
}

.detail-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--lapis);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-section-title svg {
    width: 16px;
    height: 16px;
    fill: var(--lapis);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(240, 235, 227, 0.5);
}

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

.detail-row .label {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-row .value {
    font-weight: 600;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.detail-row.deduction .value {
    color: var(--danger);
}

.detail-row.subtotal {
    border-top: 2px solid var(--ivory-dark);
    margin-top: 8px;
    padding-top: 14px;
    font-weight: 600;
}

.detail-row.subtotal .label {
    color: var(--text);
}

.detail-row.total {
    border-top: 2px solid var(--lapis);
    margin-top: 8px;
    padding-top: 16px;
    font-weight: 700;
}

.detail-row.total .label,
.detail-row.total .value {
    font-size: 1rem;
    color: var(--lapis);
}

/* Reference Section */
.reference-section {
    padding: 24px 32px;
    background: linear-gradient(135deg, var(--ivory) 0%, #fff 100%);
}

.reference-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.reference-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.reference-item .label {
    color: var(--text-muted);
}

.reference-item .value {
    color: var(--text);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

/* Result Actions */
.result-actions {
    padding: 24px 32px;
    border-top: 1px solid var(--ivory-dark);
    display: flex;
    gap: 12px;
    justify-content: center;
    background: #fff;
}

/* No Data */
.no-data {
    text-align: center;
    padding: 60px 32px;
}

.no-data-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--ivory);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-data-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--text-muted);
}

.no-data h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 8px;
}

.no-data p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ==================== Animations ==================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

/* ==================== Responsive ==================== */

@media (max-width: 640px) {
    .header {
        padding: 60px 20px 80px;
    }

    .header h1 {
        font-size: 1.7rem;
        letter-spacing: 2px;
    }

    .header-subtitle {
        font-size: 1.2rem;
    }

    .header-icon + h1,
    .header-moon + h1 {
        font-size: 1.5rem;
    }

    .container {
        margin-top: -40px;
        padding: 0 16px;
    }

    .card-header {
        padding: 20px 24px;
        flex-wrap: wrap;
    }

    .card-actions {
        width: 100%;
        margin-top: 12px;
        justify-content: flex-end;
    }

    .card-body {
        padding: 24px;
    }

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

    .hawl-section {
        padding: 20px 24px;
    }

    .btn-group {
        flex-direction: column;
        padding: 0 24px 24px;
    }

    /* Result page responsive */
    .zakat-amount {
        font-size: 2.8rem;
    }

    .result-hero {
        padding: 36px 24px;
    }

    .nisab-section,
    .detail-section,
    .reference-section,
    .result-actions {
        padding: 20px 24px;
    }

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

    .result-actions {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }
}

/* ==================== Print ==================== */

@media print {
    body {
        background: #fff;
    }

    .geometric-bg, .geometric-pattern {
        display: none;
    }

    .header {
        background: var(--lapis) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--ivory-dark);
        break-inside: avoid;
    }

    .result-actions,
    .btn-group {
        display: none;
    }

    .progress-bar::after {
        display: none;
    }
}