/* public/assets/css/bhaironest-theme.css */
:root {
  /* Light Theme Variables */
  --bg-primary: #fafafc;
  --bg-secondary: #f0f2f5;
  --bg-surface: #ffffff;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --color-accent: #0f766e;
  --color-accent-hover: #115e59;
  --color-accent-vibrant: #14b8a6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-surface: #0f172a; /* Same as primary or slightly lighter like #1e293b */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --color-accent: #14b8a6; /* Brighter teal for dark mode visibility */
  --color-accent-hover: #2dd4bf;
  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    color: var(--text-primary);
    font-weight: 700;
}

/* Header */
.top-nav {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    font-size: 13px;
    font-weight: 500;
}
.top-nav ul {
    list-style: none;
    margin: 0;
    padding: 0 15px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}
.top-nav a {
    color: var(--text-secondary);
}
.top-nav a:hover {
    color: var(--color-accent);
}

.main-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}
.main-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    gap: 15px;
}

.header-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.2s;
}
.theme-toggle-btn:hover {
    background: var(--bg-secondary);
}

.search-bar-container {
    width: 100%;
    display: flex;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.3s;
}
.search-bar-container:focus-within {
    border-color: var(--color-accent);
}
.search-bar-container input {
    flex: 1;
    border: none;
    padding: 12px 15px;
    font-size: 14px;
    outline: none;
    color: var(--text-primary);
    background: transparent;
}
.search-bar-container button {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 0 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}
.search-bar-container button:hover {
    background: var(--color-accent-hover);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    padding: 0 15px;
}

/* Responsive Container */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr; /* Stack on mobile */
        gap: 20px;
        margin: 15px auto;
    }
    
    .sidebar {
        display: none; /* Hide sidebar on very small screens, or we can make it a toggle */
    }
    
    .search-bar-container {
        order: 3; /* Move search below logo on mobile */
    }
}

.sidebar-box {
    background: var(--bg-surface);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}
.sidebar h3 {
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--bg-secondary);
    padding-bottom: 10px;
}
.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar li {
    margin-bottom: 8px;
}
.sidebar a {
    color: var(--text-secondary);
    font-size: 14px;
    display: block;
    padding: 4px 0;
}
.sidebar a:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

/* Main Content Widgets */
.main-content {
    min-width: 0; /* Prevent flex overflow */
}

.tabbed-widget {
    background: var(--bg-surface);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}
.tabs {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto; /* Scrollable tabs on mobile */
    white-space: nowrap;
}
.tabs div {
    padding: 15px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.tabs div.active {
    background: var(--bg-surface);
    color: var(--color-accent);
    border-top: 3px solid var(--color-accent);
}
.tabs div:not(.active):hover {
    color: var(--text-primary);
}

.book-grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    padding: 25px;
}
.book-card {
    text-align: center;
    transition: transform 0.2s;
}
.book-card:hover {
    transform: translateY(-5px);
}
.book-card img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
}

.promo-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}
@media (max-width: 768px) {
    .promo-row {
        grid-template-columns: 1fr;
    }
}

.promo-box {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.bestsellers-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
}

/* Authentication Pages */
.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 15px;
    min-height: calc(100vh - 150px);
}
.auth-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}
.auth-box h2 {
    color: var(--text-primary);
    font-size: 24px;
    margin-bottom: 25px;
    text-align: center;
}
.auth-form-group {
    margin-bottom: 20px;
}
.auth-form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.auth-form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 15px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}
.auth-form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.2);
}
.auth-btn-primary {
    width: 100%;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s;
}
.auth-btn-primary:hover {
    background-color: var(--color-accent-hover);
}
.auth-btn-outline {
    width: 100%;
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    display: block;
    box-sizing: border-box;
}
.auth-btn-outline:hover {
    background-color: rgba(15, 118, 110, 0.1);
}
.auth-footer-text {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 30px 15px;
    text-align: center;
    margin-top: 40px;
}
.footer img {
    height: 40px;
    opacity: 0.9;
}