/* =====================
   GLOBAL STYLES
   ===================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #8e44ad;
    --accent-color: #e67e22;
    --gold: #f39c12;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.2);
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =====================
   NAVIGATION
   ===================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-bg) 100%);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand a {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--gold);
}

/* =====================
   HERO SECTION
   ===================== */
.hero {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* =====================
   BUTTONS
   ===================== */
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: #9b59b6;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-light {
    background: var(--white);
    color: var(--primary-color);
}

.btn-light:hover {
    background: var(--light-bg);
}

/* =====================
   STATISTICS SECTION
   ===================== */
.stats-section {
    padding: 4rem 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-card:nth-child(4) {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.stat-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.stat-link:hover {
    opacity: 1;
}

/* =====================
   RECENT ARTWORKS SECTION
   ===================== */
.recent-section {
    padding: 4rem 0;
    background: var(--light-bg);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.recent-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.side-panel {
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    position: relative;
    min-height: 400px;
    overflow: hidden;
}

.panel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--white);
}

.panel-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.panel-overlay p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.artworks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.artwork-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.artwork-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.artwork-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.artwork-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.artwork-info {
    padding: 1rem;
}

.artwork-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.artist-name {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.creation-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* =====================
   ACTIONS SECTION
   ===================== */
.actions-section {
    padding: 4rem 0;
    background: var(--white);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.action-card {
    background: var(--white);
    border: 2px solid var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s;
}

.action-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.action-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.action-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.action-card p {
    color: var(--text-light);
}

/* =====================
   FLASH MESSAGES
   ===================== */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    background: #2ecc71;
    color: var(--white);
}

.alert-error {
    background: #e74c3c;
    color: var(--white);
}

.alert-info {
    background: #3498db;
    color: var(--white);
}

.close-alert {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
}

/* =====================
   FORMS
   ===================== */
.form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-container h1 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light-bg);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--light-bg);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox {
    width: auto;
    margin: 0;
}

.error {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* =====================
   LISTS AND GRIDS
   ===================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    color: var(--primary-color);
}

.page-header div {
    display: flex;
    gap: 1rem;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 10px;
}

.empty-state p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.badge {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-edit {
    background: var(--secondary-color);
    color: white;
}

.btn-edit:hover {
    background: #9b59b6;
}

.btn-delete {
    background: #e74c3c;
    color: white;
}

.btn-delete:hover {
    background: #c0392b;
}

/* =====================
   FOOTER
   ===================== */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* =====================
   RESPONSIVE DESIGN
   ===================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .recent-layout {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}
/* =====================
   FONT AWESOME ICONS
   ===================== */
.stat-icon i,
.action-icon i {
    display: block;
}

.nav-brand i {
    margin-right: 0.5rem;
}

/* Icon colors for different sections */
.stat-card:nth-child(1) i {
    color: rgba(255, 255, 255, 0.95);
}

.stat-card:nth-child(2) i {
    color: rgba(255, 255, 255, 0.95);
}

.stat-card:nth-child(3) i {
    color: rgba(255, 255, 255, 0.95);
}

.stat-card:nth-child(4) i {
    color: rgba(255, 255, 255, 0.95);
}

.action-card i {
    color: var(--secondary-color);
    transition: transform 0.3s;
}

.action-card:hover i {
    transform: scale(1.1);
}

/* Placeholder icons in galleries */
.artist-placeholder i,
.artwork-placeholder i,
.gallery-placeholder i {
    color: rgba(255, 255, 255, 0.9);
}