/* Kopitiam Design System */
:root {
    --bg-color: #F2F0E9;
    /* Warm Paper */
    --surface-color: #FFFFFF;
    --text-primary: #191919;
    --text-secondary: #5F5F5F;
    --accent-color: #D97757;
    /* Terra Cotta -ish */
    --border-color: #E6E4DD;
    --font-serif: 'Georgia', 'Times New Roman', Times, serif;
    /* Placeholder for premium serif */
    --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.serif {
    font-family: var(--font-serif);
    font-weight: normal;
}

/* Bootstrap Overrides */
/* Bootstrap Overrides */
.navbar {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

.navbar-brand {
    font-family: var(--font-serif);
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-right: 1rem;
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--text-primary);
}

/* Navbar Search Input */
.navbar .form-control {
    background-color: #EAE8E0;
    /* Slightly darker than bg */
    border: 1px solid transparent;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.navbar .form-control::placeholder {
    color: #9CA3AF;
}

.navbar .form-control:focus {
    background-color: var(--surface-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(217, 119, 87, 0.1);
    /* Accent shadow */
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    /* Slightly softer corners */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    /* Very subtle shadow */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.04);
}

.btn-primary {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--surface-color);
    border-radius: 4px;
    padding: 0.5rem 1.25rem;
}

.btn-primary:hover {
    background-color: #333;
    border-color: #333;
}

/* Layout Utilities */
.article-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sidebar-widget {
    margin-bottom: 2rem;
}

.tag-badge {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    text-decoration: none;
    margin-right: 4px;
    margin-bottom: 4px;
    display: inline-block;
    transition: all 0.2s ease;
    cursor: pointer;
}

.tag-badge:hover {
    background-color: var(--accent-color);
    color: white;
}

/* ============================
   Trending List (Sidebar)
   ============================ */
#trendingList {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

#trendingList .list-group-item {
    border: none;
    border-radius: 0;
    padding: 0.875rem 1rem;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    transition: background-color 0.2s ease;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

#trendingList .list-group-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

#trendingList .list-group-item:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

#trendingList .list-group-item:active {
    background-color: rgba(0, 0, 0, 0.06);
}

#trendingList .list-group-item h6 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
    transition: color 0.2s ease;
}

#trendingList .list-group-item:hover h6 {
    color: var(--accent-color);
}

#trendingList .list-group-item small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* ============================
   Tags List (Sidebar)
   ============================ */
#tagsList {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

/* Sidebar Navigation */
.sidebar-nav .nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    margin-bottom: 2px;
    transition: all 0.2s ease;
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background-color: rgba(0, 0, 0, 0.05);
    /* Very subtle hover */
    color: var(--text-primary);
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    opacity: 0.7;
}

.sidebar-nav .nav-link:hover i,
.sidebar-nav .nav-link.active i {
    opacity: 1;
}

/* Logo Icons for Sidebar */
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Warm Paper Theme Colors - Subtle & Earthy */
.bg-theme-1 {
    background-color: #E6E4DD;
    color: #D97757;
}

/* Base/Accent */
.bg-theme-2 {
    background-color: #F0EBE0;
    color: #C07F00;
}

/* Ochre */
.bg-theme-3 {
    background-color: #E8E8E8;
    color: #5F5F5F;
}

/* Grey */
.bg-theme-4 {
    background-color: #DFD7C8;
    color: #4A4A4A;
}

/* Darker Beige */
.bg-theme-5 {
    background-color: #D97757;
    color: #FFFFFF;
}

/* Accent */

/* Adjustments for Sidebar Icons */
.sidebar-nav .nav-link i.bi {
    font-size: 1.1rem;
    vertical-align: middle;
    width: 24px;
    display: inline-block;
    text-align: center;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

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

/* Override color for logo icons inside the circle/box */
.logo-icon i.bi {
    color: inherit;
    font-size: 0.8rem;
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
    .navbar-brand {
        font-size: 1.3rem;
        margin-right: 0 !important;
    }

    .container,
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Adjust Article List Spacing on Mobile */
    .article-list .card {
        padding: 1rem !important;
    }

    .article-list h3.card-title {
        font-size: 1.25rem;
    }

    /* Ensure sidebar stays hidden or behaves as drawer if needed (currently d-none d-lg-block) */

    /* Navbar Toggle Button Outline */
    .navbar-toggler {
        border: none;
        padding: 0;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }
}

/* Article Reading Experience */
.article-body p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #2D2D2D;
    margin-bottom: 1.5rem;
}

.article-body h2 {
    font-size: 1.75rem;
    margin-top: 3rem;
    font-weight: 600;
}

.article-body h3 {
    font-size: 1.4rem;
    margin-top: 2.5rem;
    font-weight: 600;
}

.blockquote {
    border-left-color: var(--accent-color) !important;
}

.code-block {
    background-color: #1E1E1E !important;
    /* VS Code Dark style */
}

pre code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9em;
    color: #CE9178;
    /* String color style */
}

/* Authentication Pages */
.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
}

.auth-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05) !important;
}

.auth-card .form-control {
    padding: 0.75rem 1rem;
    background-color: #F8F9FA;
    border: 1px solid #E9ECEF;
}

.auth-card .form-control:focus {
    background-color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(217, 119, 87, 0.1);
}

.auth-card .btn-primary {
    padding: 0.75rem;
    font-weight: 500;
}