/* assets/css/style.css */
/* Premium Theme for MSC Research Publications Aggregator v2 */

:root {
    --bg-main: #060913;
    --bg-darker: #03050a;
    --bg-glass: rgba(17, 24, 39, 0.6);
    --border-glass: rgba(255, 255, 255, 0.08);
    --color-primary: #8b5cf6; /* Royal Purple */
    --color-primary-rgb: 139, 92, 246;
    --color-secondary: #6366f1; /* Indigo */
    --color-accent: #fbbf24; /* Amber Gold */
    --color-accent-rgb: 251, 191, 36;
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-success: #10b981;
    --color-info: #0ea5e9;
    --color-warning: #f59e0b;
    --font-thai: 'Sarabun', sans-serif;
    --font-eng: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Light Mode Variables Override */
body.light-mode {
    --bg-main: #f1f5f9;
    --bg-darker: #e2e8f0;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-glass: rgba(0, 0, 0, 0.06);
    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    --shadow-premium: 0 10px 30px rgba(148, 163, 184, 0.15), 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-thai), var(--font-eng), sans-serif;
    background-color: var(--bg-main);
    color: var(--color-text-main);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dynamic Ambient Glows */
.ambient-glow-1 {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.ambient-glow-2 {
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.05) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Glassmorphism Components */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(var(--color-primary-rgb), 0.3);
}

/* Header & Navigation */
header {
    padding: 20px 0;
    margin-bottom: 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 9, 19, 0.4);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

body.light-mode header {
    background: rgba(241, 245, 249, 0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-main);
}

.brand-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.brand-text h1 {
    font-size: 1.1rem;
    font-weight: 600;
}

.brand-text p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: var(--color-text-main);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-primary);
}

.nav-link.active {
    background: rgba(var(--color-primary-rgb), 0.15);
    color: var(--color-primary);
    font-weight: 600;
}

/* Theme Toggle Switch */
.theme-switch {
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.05);
}

.theme-switch:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.theme-switch i {
    color: var(--color-text-main) !important;
}

body.light-mode .theme-switch {
    background: rgba(0, 0, 0, 0.06);
}

body.light-mode .theme-switch:hover {
    background: rgba(0, 0, 0, 0.12);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-toggle {
    display: none;
}

/* Dashboard Hero */
.hero {
    text-align: center;
    margin-bottom: 50px;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 40%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-mode .hero h2 {
    background: linear-gradient(135deg, #0f172a 40%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px auto;
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.stat-card {
    padding: 24px;
    text-align: center;
    position: relative;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
    font-family: var(--font-eng);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Grid Layouts */
.main-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    align-items: start;
    margin-bottom: 80px;
}

@media (max-width: 992px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/* Sidebar / Filters */
.sidebar {
    padding: 24px;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-group {
    margin-bottom: 24px;
}

.filter-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    color: var(--color-text-main);
    font-family: var(--font-thai);
    transition: var(--transition-smooth);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.dept-list {
    list-style: none;
}

.dept-item {
    margin-bottom: 8px;
}

.dept-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--color-text-muted);
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-thai);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dept-btn:hover, .dept-btn.active {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.dept-count {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-family: var(--font-eng);
}

/* Researcher Card */
.researcher-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    margin-bottom: 20px;
    text-decoration: none;
    color: var(--color-text-main);
}

.researcher-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-premium), 0 5px 15px rgba(var(--color-primary-rgb), 0.1);
}

.researcher-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.8rem;
    flex-shrink: 0;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.1);
}

.researcher-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.researcher-info {
    flex-grow: 1;
}

.researcher-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.researcher-dept {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.researcher-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-family: var(--font-eng);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
}

.badge-orcid { border-color: #a6c307; color: #a6c307; background: rgba(166, 195, 7, 0.05); }
.badge-scopus { border-color: #ffb703; color: #ffb703; background: rgba(255, 183, 3, 0.05); }
.badge-scholar { border-color: #4285f4; color: #4285f4; background: rgba(66, 133, 244, 0.05); }

/* Publications List */
.publication-card {
    padding: 24px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.pub-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.pub-journal {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.pub-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    border-top: 1px solid var(--border-glass);
    padding-top: 12px;
    margin-top: 12px;
}

.pub-tags {
    display: flex;
    gap: 8px;
}

.pub-citations {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
}

.pub-source-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.source-pubmed { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.source-scopus { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.source-orcid { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.source-scholar { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.source-manual { background: rgba(107, 114, 128, 0.15); color: #9ca3af; border: 1px solid rgba(107, 114, 128, 0.3); }

/* Buttons */
.btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.5);
    filter: brightness(1.1);
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border-glass);
    padding: 40px 0;
    margin-top: 80px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Responsive navigation and overall layouts */
@media (max-width: 991px) {
    .brand-text p {
        display: none !important;
    }
    .brand-text h1 {
        font-size: 0.95rem !important;
    }
    .nav-logo {
        height: 36px !important;
    }
    
    .mobile-toggle {
        display: inline-flex !important;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-glass);
        color: var(--color-text-main);
        cursor: pointer;
        padding: 8px 12px;
        border-radius: 8px;
        font-size: 1.1rem;
        align-items: center;
        justify-content: center;
        transition: var(--transition-smooth);
    }
    .mobile-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .nav-container {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        position: relative !important;
        gap: 0 !important;
    }
    
    .nav-menu, .admin-nav-menu {
        display: none !important;
        flex-direction: column !important;
        width: 100% !important;
        background: rgba(15, 23, 42, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        padding: 15px 20px !important;
        border: 1px solid var(--border-glass) !important;
        border-radius: 12px !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
        gap: 8px !important;
        z-index: 1000 !important;
        margin-top: 15px !important;
        align-items: flex-start !important;
    }
    
    body.light-mode .nav-menu,
    body.light-mode .admin-nav-menu {
        background: rgba(241, 245, 249, 0.98) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
    }
    
    .nav-menu.show, .admin-nav-menu.show {
        display: flex !important;
    }
    
    .nav-link {
        width: 100% !important;
        text-align: left !important;
        padding: 10px 14px !important;
        box-sizing: border-box !important;
    }
    
    .nav-dropdown {
        width: 100% !important;
    }
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        width: 100% !important;
        box-shadow: none !important;
        background: rgba(255, 255, 255, 0.02) !important;
        border: none !important;
        border-left: 2px solid var(--color-primary) !important;
        border-radius: 0 !important;
        padding: 5px 0 5px 15px !important;
        margin-top: 5px !important;
        display: block !important;
    }
    .dropdown-item {
        padding: 8px 10px !important;
    }
    .btn-logout {
        width: 100% !important;
        text-align: center !important;
        margin-top: 8px !important;
    }
}

@media (max-width: 768px) {
    /* Main dashboard charts column wrapper and grids */
    div[style*="grid-template-columns: 2fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns: 1fr 2fr"],
    .main-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    /* Stats card layouts */
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) !important;
        gap: 15px !important;
    }
    
    /* Researchers list layouts */
    .researcher-card {
        flex-direction: column;
        text-align: center;
        padding: 20px !important;
    }
    
    .researcher-meta {
        justify-content: center;
    }
    
    /* Tabs selector buttons */
    div[style*="display: flex; gap: 10px; margin: 30px 0;"] {
        flex-direction: column !important;
        width: 100%;
    }
    
    .report-tab-btn {
        width: 100%;
        justify-content: center;
    }

    /* Admin header flex layout */
    .admin-nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 10px !important;
    }

    /* nav link adjustment */
    .nav-link {
        font-size: 0.9rem !important;
        padding: 6px 12px !important;
    }
}

@media (max-width: 480px) {
    .brand-text h1 {
        font-size: 0.95rem !important;
    }
    
    .brand-text p {
        font-size: 0.7rem !important;
    }
    
    .stat-number {
        font-size: 1.8rem !important;
    }
}