/* Premium UI for Ultimate SIP Calculator */

.sip-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1rem;
}

.intro-section {
    text-align: center;
    margin-bottom: 2rem;
}

.intro-section h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Mode Switcher */
.mode-tabs {
    display: flex;
    background: #E5E7EB;
    border-radius: 8px;
    padding: 0.3rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}
html.dark .mode-tabs {
    background: var(--bg-color);
}
.mode-tabs::-webkit-scrollbar {
    display: none;
}

.mode-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.mode-btn:hover {
    color: var(--text-main);
}

.mode-btn.active {
    background: #FFFFFF;
    color: var(--primary);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
html.dark .mode-btn.active {
    background: var(--bg-surface);
}

/* Calculator Form & Dashboard Layout */
.calc-card {
    background: #F9FAFB;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
}

html.dark .calc-card {
    background: var(--bg-surface);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.row-fields {
    display: flex;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .row-fields {
        flex-direction: column;
        gap: 0;
    }
    .calc-card {
        padding: 1.5rem 1rem;
    }
    .slider-input-wrapper {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    .slider-input-wrapper input[type="number"] {
        order: 1;
        width: 100%;
        text-align: left;
    }
    .premium-slider {
        order: 2;
        flex: 1 1 100%;
        margin-bottom: 0.5rem;
    }
}

/* Premium Sliders & Inputs */
.slider-input-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-input-wrapper input[type="number"] {
    width: 130px;
    height: 42px;
    padding: 0.5rem 0.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: #FFFFFF;
    color: var(--text-main);
    text-align: right;
    outline: none;
    transition: border-color 0.2s;
}
html.dark .slider-input-wrapper input[type="number"] {
    background: var(--bg-color);
}
.slider-input-wrapper input[type="number"]:focus {
    border-color: var(--primary);
}

.premium-slider {
    flex: 1;
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: #E5E7EB;
    border-radius: 4px;
    outline: none;
    transition: background 0.2s;
}
html.dark .premium-slider {
    background: #374151;
}

.premium-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}
.premium-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.quick-chips {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.chip-btn {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}
html.dark .chip-btn {
    background: var(--bg-color);
}
.chip-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Advanced Settings */
.advanced-settings {
    margin-top: 1.5rem;
    border-top: 1px dashed var(--border-color);
    padding-top: 1rem;
}
.advanced-settings summary {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    user-select: none;
}
.advanced-grid {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}
.advanced-grid .input-group {
    flex: 1;
    margin-bottom: 0;
}
.advanced-grid input[type="number"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    font-size: 1rem;
    background: #FFFFFF;
    color: var(--text-main);
}
html.dark .advanced-grid input[type="number"] {
    background: var(--bg-color);
}

/* Dashboard Area */
.dashboard-area {
    margin-top: 2rem;
}

.hero-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    flex: 1;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
html.dark .stat-card {
    background: var(--bg-surface);
}

.stat-card.primary {
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.2);
}
html.dark .stat-card.primary {
    background: rgba(59, 130, 246, 0.1);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.4rem;
}

.stat-val {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}
.stat-val.secondary {
    color: var(--text-main);
    font-size: 1.4rem;
}

@media (max-width: 650px) {
    .hero-stats {
        flex-direction: column;
    }
    .stat-card {
        padding: 1rem;
    }
}

/* Inflation Alert Box */
.inflation-alert {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    color: #92400E;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
}
html.dark .inflation-alert {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #FCD34D;
}
.inflation-alert strong {
    font-weight: 800;
}

/* Chart Container */
.chart-container {
    width: 100%;
    height: 350px;
    margin-bottom: 2rem;
    position: relative;
}

/* Insights Box */
.insights-box {
    background: #F8FAFC;
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: 0 8px 8px 0;
    margin-bottom: 2rem;
}
html.dark .insights-box {
    background: var(--bg-surface);
}

.insights-box h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.insights-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.insights-box li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.5;
}

.insights-box li::before {
    content: "✨";
    flex-shrink: 0;
}

/* Table */
.table-details {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}
.table-details summary {
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.table-responsive {
    width: 100%;
    overflow-x: auto;
}
.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.breakdown-table th, .breakdown-table td {
    padding: 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}
.breakdown-table th:first-child, .breakdown-table td:first-child {
    text-align: left;
}
.breakdown-table th {
    font-weight: 700;
    color: var(--text-muted);
    background: var(--bg-surface);
}
.breakdown-table tr:hover {
    background: rgba(0,0,0,0.02);
}
html.dark .breakdown-table tr:hover {
    background: rgba(255,255,255,0.02);
}

.secondary-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.secondary-btn:hover {
    background: var(--bg-surface);
}