/* Authentication Header Styles */
.auth-header {
    background: linear-gradient(135deg, #4A5D8A 0%, #5A3E7A 100%);
    color: white;
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    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 h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

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

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-buttons .header-btn.primary {
    background: linear-gradient(135deg, #6B8DD6 0%, #5A7BC6 100%);
    border: 1px solid rgba(107, 141, 214, 0.6);
}

.auth-buttons .header-btn.primary:hover {
    box-shadow: 0 4px 15px rgba(107, 141, 214, 0.4);
}

/* Authentication Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.auth-modal-content {
    background: rgba(40, 40, 40, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 40px;
    max-width: 450px;
    width: 90%;
    border: 1px solid rgba(100, 100, 100, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: slideUp 0.3s ease-out;
}

.close-modal-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
    line-height: 1;
}

.close-modal-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form {
    background: transparent;
    border-radius: 0;
    padding: 0;
    min-width: auto;
    border: none;
}

.auth-form h3 {
    margin: 0 0 25px 0;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 600;
    color: white;
}

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

.auth-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(100, 100, 100, 0.5);
    border-radius: 6px;
    background: rgba(30, 30, 30, 0.8);
    color: #e0e0e0;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
}

.auth-form input::placeholder {
    color: rgba(160, 160, 160, 0.8);
}

.auth-form input:focus {
    outline: none;
    border-color: rgba(107, 141, 214, 0.8);
    background: rgba(40, 40, 40, 0.9);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: rgba(107, 141, 214, 0.8);
    color: white;
    border: 1px solid rgba(107, 141, 214, 0.5);
    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(107, 141, 214, 0.9);
    transform: translateY(-1px);
}

.auth-switch {
    text-align: center;
    margin: 15px 0 0 0;
    font-size: 0.9rem;
    color: rgba(200, 200, 200, 0.9);
}

.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(107, 141, 214, 0.6);
    color: white;
    border: 1px solid rgba(107, 141, 214, 0.4);
    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(107, 141, 214, 0.8);
    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(107, 141, 214, 0.6);
    color: white;
    border: 1px solid rgba(107, 141, 214, 0.4);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.mobile-menu-toggle:hover {
    background: rgba(107, 141, 214, 0.8);
}

/* Mobile dropdown menu */
.mobile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(74, 93, 138, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(100, 100, 100, 0.3);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    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(100, 100, 100, 0.2);
}

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

.mobile-menu-item:hover {
    background: rgba(107, 141, 214, 0.4);
}

.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(107, 141, 214, 0.6);
    color: white;
    border: 1px solid rgba(107, 141, 214, 0.4);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.logout-btn:hover {
    background: rgba(107, 141, 214, 0.8);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    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(107, 141, 214, 0.3);
    border-top: 4px solid #6B8DD6;
    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 h1 {
        font-size: 1.4rem;
    }

    .logo h2 {
        font-size: 1.1rem;
    }

    .auth-section {
        order: 2;
        width: 100%;
        justify-content: center;
    }

    .auth-buttons {
        order: 2;
        gap: 8px;
    }

    .auth-buttons .header-btn {
        font-size: 0.85rem;
        padding: 8px 14px;
    }

    .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;
    }
}

/* Landing Page Styles */
.landing-page {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    min-height: calc(100vh - 80px);
    padding: 60px 20px;
}

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

.landing-hero {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out;
}

.landing-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin: 0 0 20px 0;
    line-height: 1.2;
    background: linear-gradient(135deg, #6B8DD6 0%, #9B7BC6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.feature-card {
    background: rgba(40, 40, 40, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 100, 100, 0.3);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(107, 141, 214, 0.5);
    box-shadow: 0 8px 30px rgba(107, 141, 214, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.feature-card h3 {
    color: white;
    font-size: 1.3rem;
    margin: 0 0 12px 0;
    font-weight: 600;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

.landing-cta {
    text-align: center;
    background: rgba(74, 93, 138, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 100, 100, 0.3);
    border-radius: 12px;
    padding: 50px 30px;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.landing-cta h2 {
    color: white;
    font-size: 2rem;
    margin: 0 0 15px 0;
    font-weight: 600;
}

.landing-cta p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin: 0 0 30px 0;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    min-width: 220px;
}

.cta-btn.primary {
    background: linear-gradient(135deg, #6B8DD6 0%, #5A7BC6 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(107, 141, 214, 0.4);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(107, 141, 214, 0.5);
}

.cta-btn.secondary {
    background: rgba(40, 40, 40, 0.8);
    color: white;
    border: 1px solid rgba(107, 141, 214, 0.5);
}

.cta-btn.secondary:hover {
    background: rgba(60, 60, 60, 0.9);
    border-color: rgba(107, 141, 214, 0.8);
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 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 h1 {
        font-size: 1.3rem;
    }

    .logo h2 {
        font-size: 1rem;
    }

    .auth-buttons {
        gap: 8px;
    }

    .auth-buttons .header-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
        min-width: auto;
    }

    .auth-modal-content {
        padding: 30px 20px;
    }
}

/* Landing Page Responsive */
@media (max-width: 768px) {
    .landing-page {
        padding: 40px 15px;
    }

    .landing-title {
        font-size: 2rem;
    }

    .landing-subtitle {
        font-size: 1.1rem;
    }

    .landing-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 25px;
    }

    .landing-cta {
        padding: 35px 20px;
    }

    .landing-cta h2 {
        font-size: 1.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-btn {
        width: 100%;
        max-width: 300px;
    }
}