/* AI Tools Suite Styles - Premium Modern Edition */

:root {
    --ai-primary: #007bff;
    --ai-primary-dark: #0056b3;
    --ai-gradient: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    --ai-bg: #fcfcfc;
    --ai-card: #ffffff;
    --ai-text: #333333;
    --ai-text-muted: #6c757d;
    --ai-border: #e6e6e6;
    --ai-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --ai-radius: 8px;
}

/* Global Styles for the App */
#ai-tools-app {
    display: grid;
    grid-template-columns: 320px 1fr 1fr;
    gap: 32px;
    min-height: 80vh;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    background: var(--ai-bg);
    padding: 24px;
    border-radius: var(--ai-radius);
    box-shadow: var(--ai-shadow);
}

/* AI Modern Page Structure - Premium 3-Part Layout */
.ai-modern-page {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.ai-mobile-header {
    display: none;
    text-align: left;
    margin-bottom: 32px;
    padding: 0 10px;
}

.ai-mobile-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 12px 0;
    color: var(--ai-text);
}

.ai-main-grid {
    display: grid;
    grid-template-columns: 320px 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.ai-main-grid.ai-grid-2-col-custom {
    grid-template-columns: 1fr 1fr;
}

/* Common Card Styling */
.ai-card {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius);
    box-shadow: var(--ai-shadow);
    padding: 24px;
    transition: none;
    /* Removed premium transitions */
}

.ai-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: none;
    border-color: var(--ai-border);
}

.ai-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 0px;
}

.ai-card-header h3 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ai-text);
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

/* Left Column: Info */
.info-card h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 16px 0 12px 0;
    letter-spacing: -0.025em;
    color: var(--ai-text);
}

.info-card p {
    color: var(--ai-text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.ai-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--ai-primary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.ai-meta-info {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--ai-text-muted);
}

.ai-meta-item i {
    color: #10B981;
    width: 20px;
    text-align: center;
}

.ai-divider {
    border: 0;
    border-top: 1px solid var(--ai-border);
    margin: 32px 0;
}

.ai-related-section h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--ai-text);
    font-weight: 700;
}

.ai-related-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    color: var(--ai-text);
    text-decoration: none !important;
    font-size: 0.95rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 4px;
    font-weight: 500;
}

.ai-related-item:hover {
    background: #F1F5F9;
    color: var(--ai-primary);
    transform: translateX(6px);
}

.ai-related-item i {
    opacity: 0.7;
}

/* Center Column: Inputs */
.ai-input-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ai-input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--ai-text);
    font-size: 0.95rem;
}

.ai-input-field {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s;
    background: #F8FAFC;
    color: var(--ai-text);
}

.ai-input-field:focus {
    background: white;
    border-color: var(--ai-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--shadow-glow);
    outline: none;
}

/* Glow Border Effect */
.ai-card:focus-within,
.ai-card.active-glow {
    border-color: var(--ai-primary);
    box-shadow: var(--ai-shadow), 0 0 20px rgba(var(--brand-primary-rgb), 0.15);
}

.ai-action-area {
    margin-top: 32px;
}

.ai-btn-primary {
    background: var(--ai-gradient);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.ai-btn-primary:hover {
    background: var(--ai-primary-dark);
}

/* Cleanup Phase 2 premium effects */
.ai-btn-primary::after,
.haptic-press,
.ai-scanning-line {
    display: none !important;
}

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

/* Right Column: Output */
.ai-output-actions {
    display: flex;
    gap: 10px;
}

.ai-btn-icon {
    background: white;
    border: 1px solid var(--ai-border);
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ai-text-muted);
    transition: all 0.2s;
}

.ai-btn-icon:hover:not(:disabled) {
    background: #F1F5F9;
    color: var(--ai-primary);
    border-color: var(--ai-primary);
}

.ai-btn-icon:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.ai-output-viewport {
    min-height: 450px;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--ai-text);
}

/* Sidebar Styles (App Mode) */
.ai-sidebar {
    background: var(--ai-card);
    border: 1px solid var(--ai-border);
    padding: 24px;
    overflow-y: auto;
    border-radius: var(--ai-radius);
    height: fit-content;
}

.ai-sidebar-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    border-radius: 10px;
    color: var(--ai-text);
    transition: all 0.2s;
    font-size: 0.95rem;
    font-weight: 500;
}

.ai-sidebar-item.active {
    background: var(--ai-gradient);
    color: white;
}

/* Empty State Polish */
.ai-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 350px;
    opacity: 0.6;
}

.ai-empty-icon {
    font-size: 3.5rem;
    color: #E2E8F0;
    margin-bottom: 24px;
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {

    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Scanning Animation (Phase 2) */
.ai-scanning-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--ai-primary), transparent);
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s;
}

.ai-output-viewport.generating .ai-scanning-line {
    opacity: 1;
    animation: scan 2s linear infinite;
}

@keyframes scan {
    0% {
        top: 0;
    }

    100% {
        top: 100%;
    }
}

/* Loading Animation Premium */
.ai-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 20;
    border-radius: var(--ai-radius);
}

.ai-premium-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid #F1F5F9;
    border-top: 4px solid var(--ai-primary);
    border-radius: 50%;
    animation: premium-spin 1s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
    margin: 0 auto 20px auto;
}

.ai-spinner-container {
    text-align: center;
}

@keyframes premium-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Responsive Overrides */
@media (max-width: 1280px) {
    .ai-main-grid {
        grid-template-columns: 280px 1fr 1fr;
        gap: 20px;
    }
}

/* Tablet: Inputs left, Output right. Header above. */
@media (max-width: 1100px) {
    .ai-main-grid {
        grid-template-columns: 1fr 1fr;
    }

    .ai-info-col {
        display: none;
    }

    .ai-mobile-header {
        display: block;
    }
}

/* Mobile: Single Column Stack */
@media (max-width: 768px) {
    .ai-modern-page {
        padding: 8px;
    }

    .ai-main-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .ai-card {
        padding: 24px;
    }

    .ai-btn-primary {
        padding: 16px;
    }
}

/* Result Style */
.ai-prompt-box {
    background: #F8FAFC;
    border: 1px solid var(--ai-border);
    padding: 24px;
    border-radius: 12px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.95rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
    overflow-x: auto;
}

/* Calculator Style */
.ai-calc-results .ai-result-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #F1F5F9;
    font-size: 1.05rem;
}

.ai-calc-results .ai-result-row.highlighted {
    border-bottom: none;
    background: #F8FAFC;
    margin: 12px -32px;
    padding: 20px 32px;
    font-weight: 800;
    font-size: 1.2rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ai-processed-img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    display: block;
    margin: 0 auto;
}

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

.mt-4 {
    margin-top: 24px;
}

.ai-meta-info-footer {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
    color: var(--ai-text-muted);
    font-size: 0.85rem;
}

/* AI Modern Page Structure - Premium 2-Part Layout */
.ai-modern-page {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.ai-tool-page-header {
    text-align: center;
    margin-bottom: 32px;
    padding: 0 20px;
}

.ai-tool-page-header h1 {
    font-size: 2.75rem;
    font-weight: 800;
    margin: 16px 0 12px 0;
    letter-spacing: -0.03em;
    color: var(--ai-text);
}

.ai-tool-page-header p {
    font-size: 1.15rem;
    color: var(--ai-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 3-Column Grid for Sidebar | Inputs | Output */
.ai-grid-3-col {
    display: grid;
    grid-template-columns: 280px 1fr 1fr;
    gap: 24px;
    align-items: start;
}

/* Sidebar Styles */
.ai-sidebar-card {
    padding: 24px;
    position: sticky;
    top: 100px;
}

.ai-sidebar-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ai-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--ai-border);
    padding-bottom: 12px;
}

.ai-sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--ai-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 2px;
    font-weight: 500;
}

.ai-sidebar-link:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--ai-primary);
    padding-left: 15px;
}

.ai-sidebar-link i {
    width: 18px;
    font-size: 0.95rem;
    text-align: center;
    opacity: 0.8;
}

/* Tablet Override */
@media (max-width: 1200px) {
    .ai-grid-3-col {
        grid-template-columns: 240px 1fr;
    }

    .ai-output-col {
        grid-column: 1 / -1;
    }
}

/* Small Tablet */
@media (max-width: 900px) {
    .ai-grid-3-col {
        grid-template-columns: 1fr;
    }

    .ai-sidebar-col {
        display: none;
        /* Hide sidebar on mobile/small tablet to focus on tool */
    }

    .ai-main-grid.ai-grid-2-col-custom {
        grid-template-columns: 1fr;
    }
}

.ai-sidebar-cat-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--ai-text-muted);
    margin: 24px 0 8px 12px;
    letter-spacing: 0.05em;
}

.ai-sidebar-cat-header:first-child {
    margin-top: 0;
}

/* Modern Breadcrumbs */
.ai-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--ai-text-muted);
    margin-bottom: 24px;
    padding: 0 4px;
}

.ai-breadcrumbs a {
    color: var(--ai-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.ai-breadcrumbs a:hover {
    color: var(--ai-primary);
}

.ai-breadcrumbs .ai-sep {
    font-size: 0.6rem;
    opacity: 0.5;
}

.ai-breadcrumbs .ai-current {
    color: var(--ai-primary);
    font-weight: 600;
}

/* --- Advanced Utility Results (Finalized) --- */
.ai-utility-result-view {
    padding: 5px;
}

.big-result-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--ai-primary);
    line-height: 1.1;
    margin: 15px 0;
    letter-spacing: -0.02em;
}

.custom-result-table {
    font-size: 0.88rem;
    background: white;
    border-radius: 6px;
    overflow: hidden;
}

.custom-result-table th {
    background: #f8f9fa;
    font-weight: 700;
    color: #444;
    text-transform: uppercase;
    font-size: 0.72rem;
    padding: 10px 12px;
}

.custom-result-table td {
    padding: 10px 12px;
    vertical-align: middle;
}

.table-primary.fw-bold td {
    background-color: rgba(0, 123, 255, 0.08) !important;
    color: #007bff !important;
    border-color: rgba(0, 123, 255, 0.15);
}

.ai-utility-result-view .alert-info {
    border: none;
    border-left: 4px solid #007bff;
    background: #f0f7ff;
    color: #0056b3;
    border-radius: 4px;
}

/* --- Custom Calculator UI Enhancements --- */

/* Unit Tabs */
.ai-unit-tabs {
    display: flex;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.ai-tab-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px;
    border-radius: 9px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-tab-btn.active {
    background: white;
    color: var(--ai-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Gender Toggle */
.ai-gender-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.ai-gender-btn {
    background: white;
    border: 2px solid #e2e8f0;
    padding: 16px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-gender-btn i {
    font-size: 1.5rem;
    color: #94a3b8;
}

.ai-gender-btn span {
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
}

.ai-gender-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.ai-gender-btn.active[data-gender="Male"] {
    border-color: #3b82f6;
    background: #eff6ff;
}

.ai-gender-btn.active[data-gender="Male"] i,
.ai-gender-btn.active[data-gender="Male"] span {
    color: #3b82f6;
}

.ai-gender-btn.active[data-gender="Female"] {
    border-color: #ec4899;
    background: #fdf2f8;
}

.ai-gender-btn.active[data-gender="Female"] i,
.ai-gender-btn.active[data-gender="Female"] span {
    color: #ec4899;
}

/* Input Sections */
.ai-input-section-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
}

.ai-section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-grid-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 500px) {
    .ai-grid-inputs {
        grid-template-columns: 1fr;
    }
}

/* Specific Field Adjustments */
.ai-input-with-label {
    position: relative;
}

.ai-field-unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    font-weight: 600;
    color: #94a3b8;
    pointer-events: none;
}

.ai-input-field.has-unit {
    padding-right: 45px;
}

/* Phase 2: Visual Polish */
.big-result-number {
    text-shadow: 0 0 20px rgba(14, 165, 233, 0.2);
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        text-shadow: 0 0 15px rgba(14, 165, 233, 0.2);
    }

    50% {
        text-shadow: 0 0 30px rgba(14, 165, 233, 0.4);
    }
}

.ai-health-gauge-container {
    padding: 20px 0;
    margin-bottom: 20px;
}

.ai-gauge-bar {
    height: 12px;
    background: #e2e8f0;
    border-radius: 100px;
    position: relative;
    overflow: hidden;
    display: flex;
}

.ai-gauge-segment {
    height: 100%;
}

.ai-gauge-marker {
    position: absolute;
    top: -5px;
    width: 4px;
    height: 22px;
    background: #101827;
    border-radius: 100px;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.8);
    transition: left 1s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 5;
}

.ai-gauge-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
}

.ai-result-row-animate {
    opacity: 0;
    transform: translateY(10px);
}

.fade-in-stagger {
    animation: fadeInUpStagger 0.4s ease forwards;
}

@keyframes fadeInUpStagger {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 360px) {
    .bmi-calculator-premium-container .p-6 {
        padding: 1.25rem !important;
    }

    .bmi-calculator-premium-container .display-4 {
        font-size: 2.75rem;
    }
}