/* Header Styles */
.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.logo i {
    font-size: 1.8rem;
    color: #f39c12;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-login, .btn-register {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-login {
    background: transparent;
    border: 1px solid #f39c12;
    color: #f39c12;
}

.btn-login:hover {
    background: #f39c12;
    color: #1a1a2e;
}

.btn-register {
    background: #f39c12;
    color: #1a1a2e;
}

.btn-register:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.user-btn i:first-child {
    font-size: 18px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 220px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: #333;
    text-decoration: none;
    transition: background 0.3s ease;
}

.user-dropdown a:hover {
    background: #f5f5f5;
}

.user-dropdown a i {
    width: 20px;
    color: #f39c12;
}

.user-dropdown hr {
    margin: 0;
    border: none;
    border-top: 1px solid #eee;
}

.user-dropdown .logout {
    color: #e74c3c;
}

.user-dropdown .logout i {
    color: #e74c3c;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background: white;
    z-index: 2000;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.mobile-menu-header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: bold;
}

.close-menu {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

.mobile-menu-body {
    padding: 20px;
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 10px;
    margin-bottom: 20px;
}

.mobile-user-info i {
    font-size: 40px;
    color: #f39c12;
}

.mobile-user-info strong {
    display: block;
    font-size: 16px;
}

.mobile-user-info small {
    font-size: 12px;
    color: #666;
}

.mobile-menu-body a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s ease;
    margin-bottom: 5px;
}

.mobile-menu-body a:hover {
    background: #f5f5f5;
}

.mobile-menu-body a i {
    width: 24px;
    color: #f39c12;
}

.mobile-menu-body .logout {
    color: #e74c3c;
    margin-top: 20px;
    border-top: 1px solid #eee;
    border-radius: 0;
}

.mobile-menu-body .logout i {
    color: #e74c3c;
}

/* Flash Messages */
.flash-message {
    position: fixed;
    top: 80px;
    right: 20px;
    min-width: 300px;
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1500;
    animation: slideIn 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.flash-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.flash-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .flash-message {
        left: 20px;
        right: 20px;
        min-width: auto;
    }
}