:root {
    --gold: #d4af37;
    --gold-light: #f4e5c2;
    --dark: #090a0f;
    --panel: #0c0e1b;
    --panel-light: #15182b;
    --text: #a8b2d1;
    --text-light: #e0e6ed;
    --border: rgba(212,175,55,0.2);
    --danger: #ff6b6b;
    --success: #27ae60;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Layout Principal */
.user-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.logo {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--gold);
    font-size: 1.5rem;
    letter-spacing: 0.05em;
}

.user-tag {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text);
    opacity: 0.7;
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
}

.sidebar-menu li {
    margin: 0.2rem 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(212,175,55,0.1);
    color: var(--gold);
    border-left-color: var(--gold);
}

.sidebar-menu i {
    width: 24px;
    margin-right: 1rem;
    font-style: normal;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
}

.logout-btn {
    width: 100%;
    padding: 0.8rem;
    background: transparent;
    border: 1px solid rgba(255,100,100,0.3);
    color: var(--danger);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    transition: all 0.3s;
    border-radius: 4px;
}

.logout-btn:hover {
    background: rgba(255,100,100,0.1);
}

/* Contenido Principal */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
    background: radial-gradient(ellipse at top, var(--panel) 0%, var(--dark) 100%);
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--gold);
    font-weight: 300;
    font-size: 2rem;
    letter-spacing: 0.05em;
}

/* Cards */
.card {
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.card-title {
    color: var(--gold);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    color: var(--text-light);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 10px rgba(212,175,55,0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(212,175,55,0.15);
    border: 1px solid var(--gold);
    color: var(--gold);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    transition: all 0.3s;
    border-radius: 4px;
    text-decoration: none;
}

.btn:hover {
    background: rgba(212,175,55,0.25);
    box-shadow: 0 0 20px rgba(212,175,55,0.2);
    transform: translateY(-2px);
}

.btn-primary {
    background: rgba(212,175,55,0.2);
}

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(255,100,100,0.1);
}

.btn-danger:hover {
    background: rgba(255,100,100,0.2);
}

/* Utilidades */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .main-content {
        margin-left: 0;
    }
}