/* ===========================================================
   LogoMarket Frontend StyleSheet
   =========================================================== */
:root {
    /* --- COLORS (Light Mode) --- */
    --primary: #635BFF;
    --primary-hover: #4e46e5;
    --secondary: #00C2FF;
    --accent: #FF7AE0;

    /* Backgrounds */
    --bg: #F9FAFB;
    --surface: #FFFFFF;
    --surface-hover: #F3F4F6;

    /* Text */
    --text-900: #111827;
    --text-600: #4B5563;
    --text-400: #9CA3AF;

    /* Borders */
    --border: #E5E7EB;
    --border-hover: #D1D5DB;

    /* Grid specific - Better visibility in light mode */
    --grid-bg: #FFFFFF;
    --grid-line: #D1D5DB;
    --grid-border: #9CA3AF;

    /* Selection colors */
    --selection-border: #007bff;
    --selection-bg: rgba(0, 123, 255, 0.15);
    --selection-error-border: #dc3545;
    --selection-error-bg: rgba(220, 53, 69, 0.15);

    /* --- LAYOUT & SPACING --- */
    --radius: 12px;
    --radius-lg: 24px;

    /* --- Z-INDEX LAYERS --- */
    --z-grid: 10;
    --z-selection: 20;
    --z-ui: 50;
    --z-header: 100;
    --z-modal-backdrop: 1050;
    /* Bootstrap default is 1050 */
    --z-modal: 1055;
    /* Bootstrap default is 1055 */

    /* --- SHADOWS --- */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --transition: 200ms ease;

    /* --- FONTS --- */
    --font-main: 'Inter', 'Noto Sans Armenian', system-ui, -apple-system, sans-serif;
}

.app.dark {
    /* Backgrounds - Near-black for better contrast */
    --bg: #0F172A;
    --surface: #1E293B;
    --surface-hover: #334155;

    /* Text - Improved contrast */
    --text-900: #F1F5F9;
    --text-600: #CBD5E1;
    --text-400: #94A3B8;

    /* Borders - Visible but subtle */
    --border: #334155;
    --border-hover: #475569;

    /* Primary colors */
    --primary: #818CF8;
    --primary-hover: #6366F1;

    /* Grid specific - Better visibility */
    --grid-bg: #1E293B;
    --grid-line: #334155;
    --grid-border: #475569;

    /* Selection - High contrast for dark mode */
    --selection-border: #60A5FA;
    --selection-bg: rgba(96, 165, 250, 0.2);
    --selection-error-border: #F87171;
    --selection-error-bg: rgba(248, 113, 113, 0.2);

    /* Shadows for dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
}

.app {
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text-900);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app * {
    box-sizing: border-box;
}

.app a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* Header */
.main-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    z-index: var(--z-header);
    position: sticky;
    top: 0;
}

.app.dark .main-header {
    background: rgba(30, 41, 59, 0.8);
}

.lm-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.025em;
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--text-600);
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-600);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-ghost:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    color: var(--text-900);
}

/* Hero */
.hero {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--text-900), var(--text-600));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-600);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-cta {
    display: inline-block;
    background: var(--primary);
    color: white !important;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: var(--primary-hover);
}

/* --- GRID STYLES (Fixed 1000px width on ALL devices) --- */
.grid-container-wrapper {
    display: flex;
    /* Use Flexbox for perfect centering */
    justify-content: center;
    align-items: flex-start;
    /* Do not stretch height */
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    background: var(--surface);
    border-radius: 0;
    box-shadow: var(--shadow);
    overflow: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
    /* Prevent layout shift when scrollbar appears */
    scrollbar-gutter: stable;
}

#pixel-grid {
    position: relative;
    display: inline-block;
    /* Allow centering via text-align center on parent */
    vertical-align: top;
    text-align: left;
    /* Reset text alignment for children */
    width: 1000px;
    height: 1000px;
    border: 2px solid var(--grid-border);
    background-color: var(--grid-bg);
    background-image:
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 10px 10px;
    box-shadow: var(--shadow);
    cursor: crosshair;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    transform-origin: top left;
    z-index: var(--z-grid);
    flex-shrink: 0;
}

/* --- LIVE COORDINATES DISPLAY (FIXED HEIGHT TO PREVENT LAYOUT SHIFT) --- */
#live-coords {
    min-height: 2rem;
    line-height: 2rem;
    color: var(--text-600);
    font-weight: 500;
    transition: opacity var(--transition);
}

#live-coords:empty {
    opacity: 0;
}

/* Ensure UI elements are above grid */
.main-footer,
.alert,
.card {
    position: relative;
    z-index: var(--z-ui);
}

/* Modal Stacking */
.modal-backdrop {
    z-index: var(--z-modal-backdrop) !important;
}

.modal {
    z-index: var(--z-modal) !important;
}

/* --- MOBILE FIX: SCROLLABLE CONTAINER (No scaling) --- */
/* (Base styles already handle this with display: block and overflow: auto) */


/* Styles for existing pixel blocks (the <a> elements) */
#pixel-grid a {
    display: block;
    position: absolute;
    overflow: hidden;
    line-height: 0;
    z-index: 1;
    /* Ensure above grid lines but below selection */
}

#pixel-grid img {
    display: block;
    width: 100%;
    height: 100%;
}

/* --- SELECTION BOX STYLES --- */
#selection-box {
    position: absolute;
    border: 2px dashed var(--selection-border);
    background-color: var(--selection-bg);
    display: none;
    pointer-events: none;
    box-sizing: border-box;
    z-index: var(--z-selection);
    transition: border-color var(--transition);
}

#selection-box.invalid {
    border-color: var(--selection-error-border);
    background-color: var(--selection-error-bg);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.5s ease-out forwards;
}

.main-content {
    animation: fadeIn 0.8s ease-out;
}

.card {
    animation: slideUp 0.6s ease-out;
}

/* Features */
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* FAQ */
.accordion-item {
    background: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 0.5rem;
    border-radius: var(--radius) !important;
    overflow: hidden;
}

.accordion-button {
    background: var(--surface);
    color: var(--text-900);
    font-weight: 600;
    box-shadow: none !important;
    transition: background var(--transition);
}

.accordion-button:hover {
    background: var(--surface-hover);
}

.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: var(--surface-hover);
}

.app.dark .accordion-button:not(.collapsed) {
    background: rgba(129, 140, 248, 0.1);
}

.accordion-body {
    color: var(--text-600);
    background: var(--surface);
}

/* Modal */
.modal-content {
    background: var(--surface);
    color: var(--text-900);
    border: 1px solid var(--border);
}

.modal-header {
    border-bottom: 1px solid var(--border);
}

.modal-footer {
    border-top: 1px solid var(--border);
}

.form-control,
.form-select {
    background-color: var(--bg);
    border-color: var(--border);
    color: var(--text-900);
    padding: 0.75rem;
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    background-color: var(--surface);
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.15);
}

.app.dark .form-control:focus,
.app.dark .form-select:focus {
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

/* Bootstrap button overrides */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    transition: all var(--transition);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-link {
    color: var(--text-600);
}

.btn-link:hover {
    color: var(--primary);
}

/* List group */
.list-group-item {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-900);
}

/* Utilities */
.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

.app.dark .glass-effect {
    background: rgba(15, 23, 42, 0.7);
}

/* ===================================================================
   COMPREHENSIVE DARK MODE OVERRIDES FOR BOOTSTRAP COMPONENTS
   =================================================================== */

/* --- MODALS --- */
.app.dark .modal-content {
    background-color: var(--surface) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .modal-header {
    background-color: var(--surface);
    color: var(--text-900);
    border-bottom-color: var(--border);
}

.app.dark .modal-body {
    background-color: var(--surface);
    color: var(--text-900);
}

.app.dark .modal-footer {
    background-color: var(--surface);
    border-top-color: var(--border);
}

.app.dark .modal-title {
    color: var(--text-900) !important;
}

/* Close button for dark mode */
.app.dark .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Modal backdrop */
.app.dark .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

/* --- FORMS & INPUTS --- */
.app.dark .form-control {
    background-color: var(--bg) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .form-control::placeholder {
    color: var(--text-400) !important;
    opacity: 1;
}

.app.dark .form-select {
    background-color: var(--bg) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .form-label {
    color: var(--text-900) !important;
}

.app.dark .form-text {
    color: var(--text-600) !important;
}

/* --- CARDS --- */
.app.dark .card {
    background-color: var(--surface) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .card-header {
    background-color: var(--surface);
    color: var(--text-900);
    border-bottom-color: var(--border);
}

.app.dark .card-body {
    background-color: var(--surface);
    color: var(--text-900);
}

.app.dark .card-footer {
    background-color: var(--surface);
    border-top-color: var(--border);
}

.app.dark .card-title {
    color: var(--text-900) !important;
}

.app.dark .card-text {
    color: var(--text-600);
}

/* --- ALERTS --- */
.app.dark .alert {
    background-color: var(--surface) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .alert-success {
    background-color: rgba(16, 185, 129, 0.15) !important;
    color: #34D399 !important;
    border-color: #10B981 !important;
}

.app.dark .alert-danger {
    background-color: rgba(239, 68, 68, 0.15) !important;
    color: #F87171 !important;
    border-color: #EF4444 !important;
}

.app.dark .alert-warning {
    background-color: rgba(251, 191, 36, 0.15) !important;
    color: #FCD34D !important;
    border-color: #F59E0B !important;
}

.app.dark .alert-info {
    background-color: rgba(59, 130, 246, 0.15) !important;
    color: #60A5FA !important;
    border-color: #3B82F6 !important;
}

/* --- LIST GROUP --- */
.app.dark .list-group-item {
    background-color: var(--surface) !important;
    color: var(--text-900) !important;
    border-color: var(--border) !important;
}

.app.dark .list-group-item:hover {
    background-color: var(--surface-hover);
}

/* --- TABLES --- */
.app.dark .table {
    color: var(--text-900);
}

.app.dark .table-bordered {
    border-color: var(--border);
}

.app.dark .table-bordered th,
.app.dark .table-bordered td {
    border-color: var(--border);
}

/* --- BUTTONS --- */
.app.dark .btn {
    color: var(--text-900);
}

.app.dark .btn-secondary {
    background-color: var(--surface-hover);
    border-color: var(--border);
    color: var(--text-900);
}

.app.dark .btn-secondary:hover {
    background-color: var(--border);
}

.app.dark .btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.app.dark .btn-outline-primary:hover {
    background-color: var(--primary);
    color: white;
}

/* --- DROPDOWNS --- */
.app.dark .dropdown-menu {
    background-color: var(--surface);
    border-color: var(--border);
}

.app.dark .dropdown-item {
    color: var(--text-900);
}

.app.dark .dropdown-item:hover,
.app.dark .dropdown-item:focus {
    background-color: var(--surface-hover);
    color: var(--text-900);
}

.app.dark .dropdown-divider {
    border-top-color: var(--border);
}

/* --- NAV & TABS --- */
.app.dark .nav-link {
    color: var(--text-600);
}

.app.dark .nav-link:hover {
    color: var(--primary);
}

.app.dark .nav-tabs {
    border-bottom-color: var(--border);
}

.app.dark .nav-tabs .nav-link {
    border-color: transparent;
}

.app.dark .nav-tabs .nav-link.active {
    background-color: var(--surface);
    border-color: var(--border) var(--border) var(--surface);
    color: var(--text-900);
}

/* --- BADGES --- */
.app.dark .badge {
    background-color: var(--surface-hover);
    color: var(--text-900);
}

/* --- BREADCRUMB --- */
.app.dark .breadcrumb {
    background-color: var(--surface);
}

.app.dark .breadcrumb-item,
.app.dark .breadcrumb-item a {
    color: var(--text-600);
}

.app.dark .breadcrumb-item.active {
    color: var(--text-900);
}

/* --- PAGINATION --- */
.app.dark .page-link {
    background-color: var(--surface);
    border-color: var(--border);
    color: var(--text-900);
}

.app.dark .page-link:hover {
    background-color: var(--surface-hover);
    color: var(--text-900);
}

.app.dark .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* --- PROGRESS --- */
.app.dark .progress {
    background-color: var(--surface-hover);
}

/* --- TOOLTIPS & POPOVERS --- */
.app.dark .tooltip-inner {
    background-color: var(--surface);
    color: var(--text-900);
}

.app.dark .popover {
    background-color: var(--surface);
    border-color: var(--border);
}

.app.dark .popover-header {
    background-color: var(--surface-hover);
    border-bottom-color: var(--border);
    color: var(--text-900);
}

/* Video Guide Styles */
.video-container {
    position: relative;
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.app.dark .video-placeholder {
    background: var(--surface);
}

/* Hide placeholder if video has data (simple approach) */
video:not([src=""])+.video-placeholder {
    display: none;
}


.app.dark .popover-body {
    color: var(--text-900);
}

/* --- TEXT UTILITIES --- */
.app.dark .text-muted {
    color: var(--text-400) !important;
}

.app.dark .text-body {
    color: var(--text-900) !important;
}

/* --- BACKGROUND UTILITIES --- */
.app.dark .bg-light {
    background-color: var(--surface) !important;
}

.app.dark .bg-white {
    background-color: var(--surface) !important;
}

/* --- BORDERS --- */
.app.dark .border {
    border-color: var(--border) !important;
}

/* Mobile */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .lm-container {
        padding: 0 1rem;
    }

    /* ===================================================================
       MOBILE GRID: RESPONSIVE PERCENTAGE LAYOUT
       - Standard CSS layout (width: 100vw)
       - PHP outputs % coordinates
       - JS adapts selection logic
       - NO transforms, NO zoom, NO hacks
       =================================================================== */

    .grid-container-wrapper {
        width: 100vw;
        max-width: 100vw;
        height: auto;
        min-height: min(calc(100dvh - 140px), calc(100vh - 140px));
        padding: 0;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }

    #pixel-grid {
        /* Mobile: fill container width (which is 100vw) */
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 1 / 1;
        max-width: calc(100vw - 20px);
        max-height: calc(min(100dvh, 100vh) - 160px);

        border: 1px solid var(--grid-border);
        margin: 0;
    }

    /* Live coords styling */
    #live-coords {
        font-size: 0.875rem;
        padding: 0.5rem;
    }

    /* Touch optimization for feature cards */
    .feature-card {
        min-height: 120px;
    }
}

/* Body scroll lock during grid interaction (mobile) */
body.grid-interacting {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
    height: 100%;
}