/**
 * ShibeShip v2.0 - Main Stylesheet
 * Modern, responsive design with dark/light mode support
 */

:root {
    /* Light Mode Colors - Dogecoin Brand Colors */
    --primary-color: #F4D03F;
    --primary-dark: #F39C12;
    --secondary-color: #E67E22;
    --background: #ffffff;
    --surface: #FEF9E7;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --border-color: #F7DC6F;
    --success: #27AE60;
    --warning: #F39C12;
    --error: #E74C3C;
    --shadow: rgba(244, 208, 63, 0.2);
}

.dark-mode {
    /* Dark Mode Colors - Dogecoin Theme */
    --background: #1A1A1A;
    --surface: #2C2C2C;
    --text-primary: #F4D03F;
    --text-secondary: #BDC3C7;
    --border-color: #F39C12;
    --shadow: rgba(244, 208, 63, 0.3);
}

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

body {
    font-family: 'Comic Neue', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

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

/* Navigation */
.navbar {
    background: var(--surface);
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
}

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

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

.nav-link:hover {
    background: var(--border-color);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    min-width: 150px;
    display: none;
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.3s;
}

.dropdown-item:hover {
    background: var(--border-color);
}

/* Curtain Menu */
.curtain-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
}

.curtain-menu.active {
    display: block;
}

.curtain-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.curtain-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 90%;
    max-width: 400px;
    height: 100%;
    background: var(--surface);
    box-shadow: 4px 0 20px var(--shadow);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.curtain-menu.active .curtain-content {
    transform: translateX(0);
}

.curtain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.curtain-close {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
}

.curtain-body {
    padding: 1rem;
}

.category-item {
    margin-bottom: 1rem;
}

.category-item > a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s;
    font-weight: 600;
}

.category-item > a:hover {
    background: var(--border-color);
}

.subcategories {
    margin-left: 3rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.subcategory-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
}

.subcategory-link:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    max-width: 300px;
    margin-bottom: 2rem;
    height: auto;
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 2px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--text-secondary);
}

.btn-success {
    background: var(--success);
}

.btn-danger {
    background: var(--error);
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--background);
    color: var(--text-primary);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 1rem;
        border-top: 2px solid var(--border-color);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .curtain-content {
        width: 100%;
        max-width: 100%;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Alert Styles */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.alert-success {
    background: #e8f5e9;
    border: 2px solid #4caf50;
    color: #2e7d32;
}

.alert-error {
    background: #ffebee;
    border: 2px solid #f44336;
    color: #c62828;
    text-align: center;
    padding: 1.5rem;
}

.alert-error img {
    display: block;
    margin: 0 auto 1rem;
    max-width: 150px;
}