/* Authentication Header Styles */
.auth-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    top: 0;
    z-index: 1000;
}

.auth-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 50px;
}

.logo h2 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.auth-section {
    display: flex;
    align-items: center;
}

.auth-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 6px;
    padding: 25px;
    min-width: 300px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-form h3 {
    margin: 0 0 20px 0;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 500;
}

.auth-form .form-group {
    margin-bottom: 15px;
}

.auth-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.auth-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.auth-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.auth-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.auth-switch {
    text-align: center;
    margin: 15px 0 0 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.auth-switch a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-details {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.user-details span {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Header buttons container */
.header-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Header button styles */
.header-btn {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    white-space: nowrap;
    min-height: 32px;
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.header-btn.logout:hover {
    background: rgba(255, 107, 107, 0.3);
    border-color: rgba(255, 107, 107, 0.5);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Mobile dropdown menu */
.mobile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(103, 126, 234, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    min-width: 160px;
    margin-top: 8px;
}

.mobile-menu-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    color: white;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.mobile-menu-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-item.logout:hover {
    background: rgba(255, 107, 107, 0.3);
}

/* Legacy support for existing logout-btn class */
.logout-btn {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-overlay p {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.display-none {
    display: none;
}

.display-block {
    display: block;
}

/* Update main content spacing */
#app-content,
#settings-content {
    padding-top: 20px;
}

/* Mobile Responsive for Auth */
@media (max-width: 768px) {
    .auth-header {
        padding: 10px 0;
        position: relative;
    }

    .auth-container {
        min-height: 45px;
        padding: 0 12px;
        position: relative;
    }
    
    .logo {
        order: 1;
    }

    .logo h2 {
        font-size: 1.1rem;
    }
    
    .auth-section {
        order: 2;
        width: 100%;
        justify-content: center;
    }
    
    .user-info {
        order: 2;
        position: relative;
        width: auto;
    }
    
    .auth-form,
    .settings-form {
        min-width: 280px;
        padding: 20px;
    }
    
    .user-details {
        gap: 10px;
        position: relative;
    }
    
    .user-details span {
        font-size: 0.8rem;
    }
    
    /* Hide desktop buttons on mobile */
    .header-buttons {
        display: none;
    }
    
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: block !important;
    }
    
    /* Ensure mobile menu appears correctly */
    .mobile-menu {
        right: 0;
        width: 180px;
    }
}

/* For very small screens */
@media (max-width: 480px) {
    .auth-container {
        padding: 0 8px;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .user-details span {
        font-size: 0.75rem;
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .mobile-menu {
        width: 160px;
        right: -10px;
    }
    
    .logo h2 {
        font-size: 1rem;
    }
}