@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Gamified App Platform: Soft, Playful, Encouraging */
    --bg-color: #f8fafc; /* bg-slate-50 */
    --surface-color: #ffffff; /* bg-white */

    /* Slate Typography */
    --text-primary: #334155; /* text-slate-700 */
    --text-secondary: #64748b; /* text-slate-500 */
    --border-color: #e2e8f0; /* border-slate-200 */

    /* App Accents: Uber Black */
    --accent-color: #0f172a; /* Uber Black / Slate-900 */
    --accent-hover: #000000; /* Pure Black */
    --highlight-color: #334155; /* Lighter Slate-700 */

    /* Semantic Status Colors (Emerald, Cyan, Slate) */
    --success-bg: #d1fae5; /* bg-emerald-100 */
    --success-text: #065f46; /* text-emerald-800 */
    --success-border: #a7f3d0; /* border-emerald-200 */
    --success-color: #10b981; /* Default success */

    --partial-bg: #cffafe; /* bg-cyan-100 */
    --partial-text: #164e63; /* text-cyan-800 */
    --partial-border: #a5f3fc; /* border-cyan-200 */

    --neutral-bg: #f1f5f9; /* bg-slate-100 */
    --neutral-text: #334155; /* text-slate-700 */
    --neutral-border: #e2e8f0; /* border-slate-200 */

    /* Error / Destructive (Use sparingly) */
    --error-color: #ef4444; /* red-500 */

    /* Strict Premium Typography */
    --font-sans: 'Inter', "Helvetica Neue", Helvetica, Arial, sans-serif;

    /* Generous Macro & Micro Spacing */
    --spacing-xs: 0.75rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 2.5rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* App-like Structure (Softer, rounder) */
    --radius-sm: 8px; /* rounded-md */
    --radius-md: 16px; /* rounded-2xl */
    --radius-lg: 9999px; /* pill shapes */

    /* Soft Elevation */
    --shadow-sm: none; /* shadow-sm */
    --shadow-md: none; /* shadow */
    --shadow-lg: none; /* shadow-lg */

    --transition-speed: 0.2s; /* Snappier, app-like fades */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: none !important; /* Firefox */
}

*::-webkit-scrollbar {
    display: none !important; /* Chrome, Safari and Opera */
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.6; /* leading-relaxed */
    font-size: 16px; /* text-base */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 600; /* bolder headers for app feel */
    color: #0f172a; /* text-slate-900 for high contrast headers */
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; font-weight: 700; line-height: 1.2; } /* text-4xl */
h2 { font-size: 1.5rem; font-weight: 600; } /* text-2xl */
h3 { font-size: 1.125rem; font-weight: 600; } /* text-lg */

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary); /* Slate-700 body text */
    font-weight: 400;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Layout (Minimalist Corporate) */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Legacy Sidebar styles preserved for unmigrated pages */
.sidebar {
    width: 250px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-nav {
    list-style: none;
    flex-grow: 1;
}

.sidebar-nav li {
    margin-bottom: var(--spacing-sm);
}

.sidebar-nav a {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 1px solid transparent;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    color: var(--text-primary);
    border-bottom: 1px solid var(--text-primary);
}

/* New Top Navigation */
.top-nav {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-content {
    height: 64px;
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a; /* text-slate-900 */
    letter-spacing: -0.03em;
    margin-right: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    height: 24px;
    width: auto;
}

.logo-icon-large {
    height: 36px;
    width: auto;
}

.hamburger-menu {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger-menu:hover {
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    height: 100%;
    display: flex;
    gap: var(--spacing-sm);
}

.nav-links li {
    height: 100%;
}

.nav-links a {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem; /* text-sm */
    font-weight: 500;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover, .nav-links a.active {
    color: #0f172a; /* text-slate-900 */
    border-bottom: 2px solid #0f172a;
}

.nav-icon-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
}
.nav-icon-link:hover {
    color: #0f172a;
}

.btn-sm {
    padding: 0.4rem 1rem !important;
    font-size: 0.875rem !important;
}

.max-w-7xl {
    max-width: 80rem; /* 1280px */
    width: 100%;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.main-content {
    flex-grow: 1;
    padding: var(--spacing-lg);
    background-color: var(--bg-color);
    overflow-y: auto;
}

.page-header {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.text-secondary {
    color: var(--text-secondary);
}

/* UI Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 9999px; /* Pill shaped */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* soft drop shadow */
    transition: all var(--transition-speed) ease;
    min-height: 56px;
}

.btn:hover {
    background-color: var(--accent-hover);
    transform: none;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--neutral-bg);
    border-color: var(--text-secondary);
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md); /* rounded-lg */
    padding: var(--spacing-sm); /* p-4 equivalent */
    margin-bottom: var(--spacing-sm); /* mb-4 equivalent */
    box-shadow: none;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-control, .form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 16px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-primary);
    background-color: #f1f5f9; /* Soft light slate background */
    transition: all var(--transition-speed) ease;
    min-height: 56px;
    font-weight: 500;
    box-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05); /* Soft inner shadow for depth */
}

.form-control:focus, .form-input:focus {
    outline: none;
    border: 1px solid var(--accent-color);
    background-color: var(--surface-color); /* Lightens on focus for contrast */
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1); /* Soft glow instead of harsh border */
}

/* Tables */
.table-container {
    overflow-x: auto;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    border-left: none;
    border-right: none;
}

.table th {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

/* Gradebook Table Specific */
.data-table {
    border-collapse: separate;
    border-spacing: 0;
}
.data-table th, .data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    background: #f8fafc;
    z-index: 10;
}

.data-table td.sticky-col, .data-table th.sticky-col {
    position: sticky;
    left: 0;
    background: white;
    z-index: 11;
    border-right: 2px solid var(--border-color);
}
.data-table th.sticky-col {
    background: #f8fafc;
    z-index: 12;
}

.grade-input {
    width: 60px;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
    text-align: center;
    background: #f8fafc;
    transition: all 0.2s ease;
}
.grade-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.grade-input.dirty {
    background: #dcfce7;
    border-color: #22c55e;
    color: #166534;
    font-weight: bold;
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.grid { display: grid; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }

/* specific styles that will be used */
.upload-zone {
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    background-color: var(--bg-color);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}
.upload-zone:hover {
    border-color: var(--accent-color);
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    overflow: hidden; /* Added to contain inner scrolling */
}

/* Media Queries for Responsiveness */

/* Tablet and below */
@media (max-width: 992px) {
    body {
        overflow: auto !important;
    }

    /* Fix header overlapping and make responsive headers wrap cleanly */
    header.flex.justify-between {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    header.flex.justify-between .flex.gap-1 {
        flex-wrap: wrap;
    }

    /* Form control adjustments on tablet */
    .form-control[style*="width: 250px"] {
        width: 100% !important;
        flex-grow: 1;
    }

    /* Stat grid fix for tablet */
    section[style*="grid-template-columns: repeat(4, 1fr);"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Legacy Responsive Sidebar Styles */
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .sidebar-logo {
        margin-bottom: 0;
        border-bottom: none;
    }

    .sidebar-nav {
        display: flex;
        gap: var(--spacing-sm);
        margin: 0;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 5px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
    }

    .sidebar-nav::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera */
    }

    .sidebar-nav li {
        margin-bottom: 0;
    }

    /* New Navigation Overrides */
    .top-nav {
        padding: 0 var(--spacing-md);
    }

    .nav-links {
        display: none; /* Hide by default on mobile, let JS toggle */
        flex-direction: column;
        gap: 0;
        margin: 0;
        width: 100%;
        background-color: var(--surface-color);
        position: absolute;
        top: 100%;
        left: 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        z-index: 40;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        height: auto;
    }

    .nav-links a {
        padding: 1rem var(--spacing-sm);
        text-align: left;
        width: 100%;
        height: auto;
        display: block;
        align-items: center;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
        background: transparent;
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .nav-links a:hover, .nav-links a.active {
        background: var(--neutral-bg);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-content .flex.items-center.gap-2 {
        flex-direction: row; /* Keep logo and hamburger inline */
        width: 100%;
        justify-content: space-between;
    }

    .hamburger-menu {
        display: flex !important; /* Force visibility on mobile */
    }

    .nav-content {
        height: auto;
        padding: var(--spacing-sm) 0;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .split-layout {
        grid-template-columns: 1fr;
        overflow: visible;
    }

    .grading-panel {
        overflow-y: visible;
        height: auto;
    }

    /* Target inline grid styles */
    section[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}

/* Mobile (ElevenLabs Massive UI Scale) */


.document-preview {
    background-color: var(--neutral-bg);
    border: 1px solid var(--neutral-border);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.03);
}

.document-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.grading-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow-y: visible;
    padding-right: var(--spacing-sm);
    height: auto;
    padding-bottom: var(--spacing-lg);
}

.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem; /* px-3 py-1 */
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
    border-radius: var(--radius-lg); /* rounded-full */
    font-weight: 700;
    font-size: 0.875rem; /* text-sm */
}

.score-badge.partial {
    background-color: var(--partial-bg);
    border-color: var(--partial-border);
    color: var(--partial-text);
}

.score-badge.neutral {
    background-color: var(--neutral-bg);
    border-color: var(--neutral-border);
    color: var(--neutral-text);
}

.override-input {
    width: 65px;
    padding: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}
.override-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Loading overlay */
#loading-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(255,255,255,0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

#loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Custom SVG Draw Animation for PLAYBOOK */
.playbook-loader {
    width: 250px;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.playbook-path {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    animation: drawPlaybook 3s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

/* Add slight delays to letters to make it look handwritten */
.playbook-path:nth-child(1) { animation-delay: 0.0s; }
.playbook-path:nth-child(2) { animation-delay: 0.2s; }
.playbook-path:nth-child(3) { animation-delay: 0.4s; }
.playbook-path:nth-child(4) { animation-delay: 0.6s; }
.playbook-path:nth-child(5) { animation-delay: 0.8s; }
.playbook-path:nth-child(6) { animation-delay: 1.0s; }
.playbook-path:nth-child(7) { animation-delay: 1.2s; }
.playbook-path:nth-child(8) { animation-delay: 1.4s; }

@keyframes drawPlaybook {
    0% {
        stroke-dashoffset: 400;
        fill: transparent;
    }
    50% {
        stroke-dashoffset: 0;
        fill: transparent;
    }
    100% {
        stroke-dashoffset: 0;
        fill: var(--accent-color);
        stroke: var(--accent-color);
    }
}

.stat-card {
    border-left: 1px solid var(--border-color);
}
.stat-number {
    font-size: 3rem;
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}
.stat-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}
/* NEW STRICT MOBILE DESIGN MANDATE (Max Width 768px) */
@media (max-width: 768px) {
    /* 1. Typography Reset (Billion Dollar App Style) */
    body {
        font-size: 16px; /* text-base for legibility */
        line-height: 1.5;
    }

    h1 {
        font-size: 1.75rem; /* 28px */
        line-height: 1.2;
        font-weight: 700;
        letter-spacing: -0.04em;
    }
    h2 {
        font-size: 1.5rem; /* 24px */
        font-weight: 700;
        letter-spacing: -0.03em;
    }
    h3 {
        font-size: 1.25rem; /* 20px */
        font-weight: 600;
    }

    p {
        font-size: 16px;
        color: var(--text-secondary);
    }

    /* 5. Container Spacing */
    .main-content {
        padding: 1.5rem 1.25rem; /* Extra padding */
    }
}

/* 2. Navigation & Hidden Actions */
@media (max-width: 768px) {
    .top-nav {
        height: 56px;
        position: sticky;
        top: 0;
        z-index: 50;
        background-color: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(4px);
        border-bottom: 1px solid var(--border-color);
        padding: 0 1rem; /* px-4 */
    }

    .nav-content {
        height: 100%;
        padding: 0;
    }

    /* Force the hamburger icon to right, logo to left */
    .nav-content.flex.justify-between.items-center {
        width: 100%;
    }

    .nav-content > .flex.items-center.gap-2 {
        width: 100%;
        justify-content: space-between;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 56px; /* Below navbar */
        left: 0;
        width: 100%;
        background: white;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        gap: 0;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        padding: 1rem;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
        height: auto;
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .hamburger-menu {
        display: block !important;
        cursor: pointer;
        padding: 8px;
        background: transparent;
        border: none;
    }

    /* Mobile user profile and sign out logic */
    .mobile-signout {
        display: block;
        padding: 1rem;
        width: 100%;
        text-align: left;
        color: #ef4444; /* red-500 */
        font-weight: 500;
        border-top: 1px solid var(--border-color);
        background: transparent;
        cursor: pointer;
    }

    #user-menu {
        display: none; /* Hide standard desktop user menu on mobile */
    }
}
/* Show mobile signout li only on mobile */
@media (max-width: 768px) {
    .mobile-signout-li {
        display: block !important;
    }
}
@media (min-width: 769px) {
    .mobile-signout-li {
        display: none !important;
    }
}

/* 3. The Evaluation Dashboard (Flexbox & Overlaps) */
@media (max-width: 768px) {
    .grading-header {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 0.75rem;
    }

    .grading-header > div {
        flex-wrap: wrap;
    }

    /* Feedback stack fix */
    .bg-slate-50.rounded-lg.p-4.mb-4.border.border-slate-200.flex.gap-6 {
        flex-direction: column !important;
        gap: 1rem !important; /* gap-4 */
    }

    .bg-slate-50.rounded-lg.p-4.mb-4.border.border-slate-200.flex.gap-6 > div {
        width: 100% !important;
    }
}
/* Fix grading header dynamically generated in review.js */
@media (max-width: 768px) {
    .grading-header {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: space-between !important;
        align-items: center !important;
        gap: 0.75rem !important;
    }
}
@media (max-width: 768px) {
    .feedback-stack {
        flex-direction: column !important;
        gap: 1rem !important; /* gap-4 */
    }
}

/* 4. Touch Targets & Buttons (The 44px Rule) */
@media (max-width: 768px) {
    /* Standardize all clickable elements */
    button, .btn, .nav-links a {
        min-height: 44px;
        font-size: 14px !important; /* text-sm */
        font-weight: 500 !important; /* font-medium */
    }

    /* Primary Actions */
    .btn.btn-primary {
        width: 100%;
        display: block;
        text-align: center;
    }

    /* Secondary Actions: Edit Score & Feedback */
    button[style*="background: white"] { /* Targets the "Edit Score & Feedback" button in review.js */
        border: 1px solid #cbd5e1 !important; /* border-slate-300 */
        border-radius: 9999px !important; /* rounded-full */
        padding: 0.5rem 1rem !important; /* px-4 py-2 */
        font-size: 0.875rem !important; /* text-sm */
        background: transparent !important;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}
@media (max-width: 768px) {
    /* Hide desktop nav actions that cause overlap */
    .nav-actions {
        display: none !important;
    }

    /* Ensure the mobile dropdown is above all other content */
    .nav-links {
        z-index: 100 !important;
    }
}
@media (max-width: 768px) {
    /* Fix inline anchor tag padding overflow in mobile nav dropdown */
    .nav-links a {
        display: block !important;
        background: white; /* Ensure solid background against page content */
    }
}
/* Missing mobile Tailwind polyfill replacements from previous deleted code */
@media (max-width: 768px) {
    /* Layout Collapses - since we removed the previous media queries,
       we need to enforce flexbox wrapping for `.flex.justify-between` sections that break horizontally */

    .card.flex.justify-between,
    header.flex.justify-between,
    .dashboard-header, /* specific to index/analytics */
    .dashboard-header > .flex,
    form .flex.gap-4 {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1rem !important;
    }

    /* Stats grid */
    section[style*="grid-template-columns: repeat(4, 1fr)"],
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
}

/* =========================================================================
   PLAYBOOK NATIVE MOBILE APP OVERRIDES (BOLT STYLE)
   Enforces a strict 100vw, no-zoom, bottom-nav mobile layout
   ========================================================================= */
@media (max-width: 768px) {
    /* 1. Viewport & Scroll Locking */
    html, body {
        overflow-x: hidden !important;
        width: 100vw !important;
        max-width: 100vw !important;
        /* Prevent elastic bouncing on iOS */
        overscroll-behavior-y: none;
        -webkit-overflow-scrolling: touch;
        /* Disable text size adjustment that causes zoom */
        -webkit-text-size-adjust: 100%;
    }

    /* 2. Layout Resets */
    .app-container {
        padding-bottom: 80px; /* Space for the bottom tab bar */
    }

    .main-content {
        padding: 1rem !important; /* Tighter margins like Bolt */
        width: 100%;
        max-width: 100%;
    }

    /* 3. Kill the Top Nav & Hamburger entirely */
    .top-nav {
        display: none !important;
    }

    /* 4. Native Bottom Tab Bar (Injected via HTML) */
    .mobile-bottom-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 84px; /* Taller, premium feel */
        background-color: var(--surface-color);
        border-top: 1px solid rgba(0,0,0,0.04);
        justify-content: space-around;
        align-items: center;
        z-index: 9999;
        padding-bottom: env(safe-area-inset-bottom, 20px); /* iPhone notch support */
        box-shadow: 0 -10px 40px rgba(15, 23, 42, 0.08); /* Soft elevated shadow */
    }

    .mobile-tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--text-secondary);
        width: 33%;
        height: 100%;
        transition: all 0.2s ease;
    }

    .mobile-tab svg {
        width: 28px; /* Larger icons */
        height: 28px;
        margin-bottom: 6px;
        stroke: currentColor;
        stroke-width: 1.5; /* Lighter by default */
    }

    .mobile-tab span {
        font-size: 0.75rem; /* 12px */
        font-weight: 600;
        letter-spacing: -0.01em;
    }

    .mobile-tab.active {
        color: var(--accent-color);
    }
    .mobile-tab.active svg {
        stroke-width: 2.5; /* Bold active state */
        transform: scale(1.1); /* Subtle pop */
    }

    /* 5. Transform Tables into Vertical Cards */
    .table-container {
        overflow-x: visible !important; /* Remove horizontal scrolling container */
    }

    .table, .table tbody, .table tr, .table td {
        display: block;
        width: 100%;
    }

    .table thead {
        display: none; /* Hide table headers */
    }

    .table tr {
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        background-color: var(--surface-color);
        padding: 1rem;
        box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }

    .table td {
        padding: 0.5rem 0 !important;
        border: none !important;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.95rem;
    }

    /* Fix empty state table rows from squishing */
    .table td[colspan] {
        display: block !important;
        text-align: center !important;
    }

    /* Inject labels before td content using data attributes (requires JS update or generic approach) */
    /* Fallback: Right align the content if it's acting as a label-value pair */
    .table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        font-size: 0.8rem;
        text-transform: uppercase;
        margin-right: 1rem;
    }

    /* 6. Massive Touch Targets */
    .btn, button, input[type="text"], input[type="number"], .form-control {
        min-height: 56px !important; /* Premium minimum touch target */
        font-size: 1.05rem !important;
        font-weight: 600 !important;
    }

    .form-control {
        border-radius: 16px !important;
        background-color: #f1f5f9; /* Soft input bg */
        border: 1px solid transparent !important; /* Clean input look */
    }

    .form-control:focus {
        border: 1px solid var(--accent-color) !important;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        border-radius: 9999px !important; /* Fully pill shaped */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important; /* subtle elevation */
    }

    /* Prevent inline buttons from squishing */
    .flex.justify-between.items-center > .btn,
    .flex.justify-between.items-center > label.btn {
        width: 100%;
        margin-bottom: 0.5rem;
        height: auto !important;
        min-height: 56px !important;
        white-space: normal !important;
        text-align: center;
        align-items: center;
        justify-content: center;
    }

    .flex.justify-between.items-center {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.5rem !important;
    }

    .flex.justify-between.items-center.w-100 {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0.5rem !important;
    }

    /* Fix Grid Splitting on Mobile to stack cards vertically */
    .grid.gap-2[style*="grid-template-columns: 1fr 1fr;"] {
        grid-template-columns: 1fr !important;
    }

    /* 7. Premium Rounded Cards (No Edge Bleed) */
    .card {
        border-radius: 24px !important; /* Super round */
        border: none !important;
        background-color: #ffffff;
        box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06) !important; /* Soft, deep shadow */
        padding: 1.5rem !important;
        margin-bottom: 1.5rem !important;
        width: 100% !important; /* Contain it */
        margin-left: 0;
        margin-right: 0;
    }

    /* Keep stats grid contained */
    .stats-grid .card {
        margin-bottom: 0 !important;
        padding: 1.25rem !important;
    }

    /* Stats Grid to 2 columns */
    section.stats-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.75rem !important;
    }

    .stat-card {
        padding: 1rem !important;
    }

    .stat-number {
        font-size: 2rem !important;
    }
}

/* Hide Bottom Nav on Desktop */
@media (min-width: 769px) {
    .mobile-bottom-nav {
        display: none !important;
    }
}

/* Select element overrides for a premium look */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem; /* Make room for the arrow */
    cursor: pointer;
}

/* Ensure the dropdown menu itself is also styled consistently, although this has limited browser support, it helps on some platforms */
select.form-control option {
    background-color: var(--surface-color);
    color: var(--text-primary);
    padding: 12px;
}

/* Driver.js Apple Aesthetic Overrides */
.driver-popover {
    border-radius: 16px !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1) !important;
    border: 1px solid var(--border-color) !important;
    padding: 20px !important;
    font-family: inherit !important;
}

.driver-popover-title {
    font-size: 1.15rem !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.5rem !important;
}

.driver-popover-description {
    font-size: 0.95rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.5 !important;
}

.driver-popover-footer {
    margin-top: 1.5rem !important;
}

.driver-popover-footer button {
    border-radius: 99px !important; /* Pill shape */
    padding: 0.4rem 1rem !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    border: none !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
}

.driver-popover-footer .driver-popover-next-btn {
    background-color: var(--primary-color) !important;
    color: white !important;
    text-shadow: none !important;
}
.driver-popover-footer .driver-popover-next-btn:hover {
    background-color: var(--primary-hover) !important;
}

.driver-popover-footer .driver-popover-prev-btn {
    background-color: #f1f5f9 !important;
    color: var(--text-secondary) !important;
    text-shadow: none !important;
}
.driver-popover-footer .driver-popover-prev-btn:hover {
    background-color: #e2e8f0 !important;
}

.driver-popover-progress-text {
    font-size: 0.8rem !important;
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
}

.driver-popover-close-btn {
    color: var(--text-secondary) !important;
    top: 10px !important;
    right: 10px !important;
}