/* 
 * MarketVMNL Design System
 * Framework: Bootstrap 5
 * Typography: Montserrat & Exo 2
 * Aesthetics: Glassmorphism, Squircle Corners, 0.5px Borders
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Exo+2:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Design Tokens */
    --ds-border-width: 0.5px;
    --ds-border-radius-lg: 24px; /* Squircle effect */
    --ds-border-radius-md: 16px;
    --ds-border-radius-sm: 8px;
    
    --font-family-sans: 'Montserrat', sans-serif;
    --font-family-heading: 'Exo 2', sans-serif;

    /* Light Theme Variables */
    --ds-bg-main: #f8f9fa;
    --ds-bg-sidebar: rgba(255, 255, 255, 0.7);
    --ds-bg-card: rgba(255, 255, 255, 0.6);
    --ds-glass-blur: blur(12px);
    --ds-glass-border: rgba(255, 255, 255, 0.3);
    --ds-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    
    /* Bootstrap Overrides (Light) */
    --bs-body-font-family: var(--font-family-sans);
    --bs-heading-font-family: var(--font-family-heading);
}

[data-bs-theme="dark"] {
    /* Dark Theme Variables */
    --ds-bg-main: #0f172a;
    --ds-bg-sidebar: rgba(30, 41, 59, 0.7);
    --ds-bg-card: rgba(30, 41, 59, 0.6);
    --ds-glass-border: rgba(255, 255, 255, 0.1);
    --ds-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Base Styles */
body {
    font-family: var(--font-family-sans);
    background-color: var(--ds-bg-main) !important;
    color: var(--bs-body-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-family-heading);
    font-weight: 700;
}

.overflow-hidden {
    overflow: hidden !important;
}

/* Squircle Corners & Borders */
.card, .btn, .nav-link, .dropdown-menu, .form-control, .form-select, .alert {
    border-width: var(--ds-border-width) !important;
}

.card {
    border-radius: var(--ds-border-radius-lg);
    border: var(--ds-border-width) solid var(--ds-glass-border);
}

.btn, .form-control, .form-select, .alert {
    border-radius: var(--ds-border-radius-md);
}

.nav-link {
    border-radius: var(--ds-border-radius-sm);
}

/* Glassmorphism */
.glass-card {
    background: var(--ds-bg-card);
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    border: var(--ds-border-width) solid var(--ds-glass-border);
    box-shadow: var(--ds-shadow);
}

.sidebar {
    background: var(--ds-bg-sidebar) !important;
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    border-right: var(--ds-border-width) solid var(--ds-glass-border) !important;
}

.top-navbar {
    background: var(--ds-bg-sidebar) !important;
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    border-bottom: var(--ds-border-width) solid var(--ds-glass-border) !important;
}

/* Card Header Background */
.card-header-bg {
    background: rgba(var(--bs-primary-rgb), 0.03) !important;
}

[data-bs-theme="dark"] .card-header-bg {
    background: rgba(255, 255, 255, 0.03) !important;
}

/* List Group & Table Overrides */
.list-group-item {
    border-width: 0 0 var(--ds-border-width) 0 !important;
    border-color: var(--ds-glass-border) !important;
    background-color: transparent !important;
}

.list-group-item:last-child {
    border-bottom: 0 !important;
}

.table {
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--ds-glass-border);
}

/* Form Overrides */
.form-control, .form-select {
    background-color: var(--ds-bg-card) !important;
    border-color: var(--ds-glass-border) !important;
    color: var(--bs-body-color) !important;
}

.form-control:focus, .form-select:focus {
    background-color: var(--ds-bg-card) !important;
    border-color: var(--bs-primary) !important;
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.15) !important;
}

.input-group-text {
    background-color: var(--ds-bg-card) !important;
    border-color: var(--ds-glass-border) !important;
    border-width: var(--ds-border-width) !important;
    color: var(--bs-secondary-color) !important;
}

/* Glass Buttons */
.glass-btn {
    background: var(--ds-bg-card);
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    border: var(--ds-border-width) solid var(--ds-glass-border) !important;
    box-shadow: var(--ds-shadow);
    color: var(--bs-body-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-btn:hover {
    background: rgba(var(--bs-primary-rgb), 0.1);
    border-color: var(--bs-primary) !important;
    transform: translateY(-1px);
    box-shadow: 0 10px 20px -10px rgba(var(--bs-primary-rgb), 0.3);
}

.glass-btn.active, .glass-btn:active {
    background: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
    color: #fff !important;
}

/* Header & Navigation: 
   Sticky top with glassmorphism effect. 
   Uses flexbox with nowrap to ensure all elements stay on a single line. */
.top-navbar {
    height: var(--top-navbar-height);
    display: flex;
    align-items: center;
    background: var(--ds-bg-glass);
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    border-bottom: var(--ds-border-width) solid var(--ds-glass-border);
    transition: all 0.3s ease;
    z-index: 1060; /* Higher than drawer and overlay */
}

.top-navbar .container-fluid {
    display: flex;
    flex-wrap: nowrap; /* Prevent wrapping at all costs for single-line layout */
    align-items: center;
    justify-content: space-between;
    width: 100%;
    overflow: hidden; /* Prevent horizontal overflow */
}

/* Hamburger Icon: 
   z-index 1070 ensures it's above the drawer overlay (1050) and drawer (1055).
   flex-shrink: 0 ensures the button maintains its size on small screens. */
.header-hamburger {
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0;
    z-index: 1070; 
    transition: transform 0.3s ease;
    flex-shrink: 0; 
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--bs-body-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

/* Hamburger active state: Animates lines into an 'X' shape */
.header-hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header-hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.header-hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Slide-out Drawer Menu: 
   width: min(280px, 85vw) ensures it doesn't cover the entire screen on very small devices.
   z-index 1055 places it above the overlay but below the top navbar. */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(280px, 85vw); 
    height: 100vh;
    height: 100dvh;
    background: var(--ds-bg-sidebar);
    backdrop-filter: var(--ds-glass-blur);
    -webkit-backdrop-filter: var(--ds-glass-blur);
    z-index: 1055;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-right: var(--ds-border-width) solid var(--ds-glass-border);
    display: flex;
    flex-direction: column;
    padding-top: var(--top-navbar-height);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    will-change: transform;
}

.mobile-drawer.show {
    transform: translateX(0);
    box-shadow: var(--ds-shadow);
}

/* Drawer Overlay: 
   Darkens the background when the drawer is open.
   z-index 1050 is the base for mobile menu layers. */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    will-change: opacity;
}

.drawer-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Mobile Responsive Breakpoint (≤ 767.98px): 
   Hides the sidebar and optimizes the top navbar and content area for touch. */
@media (max-width: 767.98px) {
    .sidebar {
        display: none !important;
    }
    
    .top-navbar {
        /* clamp() ensures height stays between 60px and 72px based on viewport */
        height: clamp(60px, 10vh, 72px); 
        padding: 0 0.75rem;
    }
    
    .top-navbar .navbar-brand {
        /* clamp() for fluid typography that scales with viewport width */
        font-size: clamp(0.9rem, 4vw, 1.1rem); 
    }

    .content-area {
        padding: 1rem !important;
        margin-top: 0;
    }

    /* nav-link optimizations for thumb-friendly interaction */
    .mobile-drawer .nav-link {
        margin: 8px 16px;
        padding: 14px 20px;
        font-size: clamp(14px, 4vw, 16px); 
        min-height: 52px; 
        border-radius: var(--ds-border-radius-md);
    }

    @media (orientation: landscape) {
        .mobile-drawer {
            width: 320px;
        }
        .mobile-drawer .nav {
            padding-bottom: 2rem;
        }
    }
}

/* Header element alignment and wrapping prevention */
.top-navbar .d-flex {
    flex-wrap: nowrap;
    min-width: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0; 
    flex-shrink: 1;
}

.navbar-brand img {
    flex-shrink: 0;
}

/* 1005px Breakpoint Logic */
@media (min-width: 1005px) {
    .header-hamburger, .mobile-drawer, .drawer-overlay {
        display: none !important;
    }
    
    .sidebar {
        display: block !important;
        z-index: 100;
    }
}

@media (max-width: 1004.98px) {
    .sidebar {
        display: none !important;
    }
    
    .top-navbar {
        z-index: 1060;
    }
    
    .content-area {
        padding: 1.5rem !important;
    }
    
    .top-navbar .navbar-brand {
        font-size: 1.1rem;
    }
}

/* Accessibility & Spacing */
.nav-link, .dropdown-item, .btn {
    min-height: 44px;
    display: flex;
    align-items: center;
    font-size: 14px;
}

.header-hamburger:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.mobile-drawer .nav-link:focus-visible {
    background: rgba(var(--bs-primary-rgb), 0.1);
    outline: none;
    box-shadow: inset 0 0 0 2px var(--bs-primary);
}

/* Transitions */
body, .card, .btn, .sidebar, .top-navbar, .glass-card, .form-control, .form-select, .nav-link {
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                backdrop-filter 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Squircle Mask Utility (Optional but good for images) */
.squircle {
    mask-image: paint(squircle); /* Experimental, fallback to border-radius */
    border-radius: var(--ds-border-radius-lg);
}

/* Accessibility: Ensure contrast */
.text-secondary {
    color: var(--bs-secondary-color) !important;
}

[data-bs-theme="dark"] .text-secondary {
    color: #94a3b8 !important; /* Lighter slate for better contrast on dark */
}

/* Layout Specifics */
.sidebar .nav-link, .mobile-drawer .nav-link {
    margin: 4px 12px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--bs-body-color);
    opacity: 0.8;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar .nav-link i, .mobile-drawer .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar .nav-link:hover, .mobile-drawer .nav-link:hover {
    opacity: 1;
    background: rgba(var(--bs-primary-rgb), 0.05);
    color: var(--bs-primary);
}

.sidebar .nav-link.active, .mobile-drawer .nav-link.active {
    background: rgba(var(--bs-primary-rgb), 0.15) !important;
    border-right: none !important;
    font-weight: 600;
    opacity: 1;
    color: var(--bs-primary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(var(--bs-primary-rgb), 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--bs-primary-rgb), 0.2);
}

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge.rounded-pill {
    padding-left: 1em;
    padding-right: 1em;
}

.content-area {
    padding: 2.5rem;
}

@media (max-width: 768px) {
    .content-area {
        padding: 1.5rem;
    }
}