/* Variables globales */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --bg-color: #121212;
    --text-color: #ecf0f1;
    --card-bg: #1e1e1e;
    --border-color: #333;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header and Navigation - HORIZONTAL LAYOUT */
header {
    background-color: var(--secondary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    text-decoration: none;
}

/* Make navigation links horizontal */
.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Auth buttons */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn {
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s ease;
}

#register-btn {
    background-color: var(--primary-color);
    color: white;
}

#register-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

#login-btn {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

#login-btn:hover {
    background-color: rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
}

/* User profile dropdown */
.user-profile {
    position: relative;
    cursor: pointer;
}

.profile-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    min-width: 180px;
    margin-top: 0.5rem;
    z-index: 100;
    display: none;
    border: 1px solid var(--border-color);
}

.user-profile:hover .dropdown-menu {
    display: block;
}

.dropdown-menu ul {
    list-style: none;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.7rem 1rem;
    color: var(--text-color);
    transition: background-color 0.2s;
}

.dropdown-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

/* Modales */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.btn-primary {
    background-color: #007bff;
    color: white;
    width: 100%;
    padding: 0.75rem;
}

.btn-primary:hover {
    background-color: #0069d9;
}

/* Search container styling */
.search-container {
    margin: 2rem 0;
    text-align: center;
}

.search-container form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
}

.search-container input[type="text"] {
    flex-grow: 1;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 1rem;
}

.search-container button {
    padding: 0.75rem 1.5rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-container button:hover {
    background-color: #2980b9;
}

/* Utilidades */
.hidden {
    display: none !important;
}

/* Pie de página */
footer {
    background-color: var(--secondary-color);
    color: #999;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Media queries para responsividad */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 1rem;
    }
    
    .main-nav li {
        margin: 0.5rem;
    }
    
    .auth-buttons {
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 1rem;
    }
    
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}