:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #fca311;
    --info: #4cc9f0;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --border-radius: 50px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fb;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 20px 0;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-actions {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Auth Pages */
.auth-page {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h1 {
    color: var(--primary);
    margin-bottom: 10px;
}

.auth-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.input-with-icon input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

.input-with-icon input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.auth-footer {
    text-align: center;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.alert {
    padding: 12px 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

/* Dashboard Styles */
.dashboard-header {
    margin-bottom: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.stat-info h3 {
    font-size: 28px;
    margin-bottom: 5px;
    color: var(--dark);
}

.stat-info p {
    color: var(--gray);
    font-weight: 500;
}

.dashboard-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.dashboard-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.link-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(67, 97, 238, 0.1);
}

.link-info h4 {
    margin-bottom: 5px;
    color: var(--dark);
}

.link-info p {
    color: var(--gray);
    font-size: 14px;
}

.link-stats {
    color: var(--gray);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Profile Page Styles */
.profile-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #f5f7fb;
}

.profile-container {
    width: 100%;
    max-width: 500px;
}

.profile-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.profile-header {
    padding: 40px 30px 30px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
    margin: 0 auto 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar i {
    font-size: 40px;
}

.profile-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.profile-bio {
    opacity: 0.9;
    margin-bottom: 10px;
}

.profile-location {
    opacity: 0.8;
    font-size: 14px;
}

.profile-links {
    padding: 30px;
}



.profile-footer {
    padding: 20px;
    text-align: center;
    color: var(--gray);
    border-top: 1px solid #e2e8f0;
}

/* Editor Styles */
.editor-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .editor-container {
        grid-template-columns: 1fr;
    }
}

.form-section, .preview-section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
}

.section-title {
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea, select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

@media (max-width: 600px) {
    .social-grid {
        grid-template-columns: 1fr;
    }
}

.social-input {
    position: relative;
}

.social-input i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.social-input input {
    padding-left: 45px;
}

.preview-card {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    border-radius: var(--border-radius);
    padding: 60px;
    color: white;
    text-align: center;
    position: fixed;
    overflow: hidden;
    bottom: 10px;
    right: 10px;
    width: 350px;
    z-index: 99;
}

.preview-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 60%);
    transform: rotate(30deg);
}

.preview-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
    margin: 0 auto 15px;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    position: relative;
    z-index: 1;
    background-size: cover;
    background-position: center;
}

.preview-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    position: relative;
    z-index: 1;
}

.preview-bio {
    opacity: 0.9;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.preview-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.preview-link {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 50px;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

        .preview-link:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

.theme-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.theme-option {
    height: 60px;
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    border: 3px solid transparent;
    transition: var(--transition);
}

.theme-option.active {
    border-color: var(--primary);
}

.theme-1 { background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%); }
.theme-2 { background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%); }
.theme-3 { background: linear-gradient(135deg, #2b5876 0%, #4e4376 100%); }
.theme-4 { background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%); }
.theme-5 { background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%); }
.theme-6 { background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%); }

.save-container {
    position: sticky;
    bottom: 20px;
    border-radius: var(--border-radius);
    margin-top: 30px;
    text-align: center;
    z-index: 100;
}

.btn-save {
    background-color: var(--primary);
    color: white;
    padding: 15px 40px;
    font-size: 18px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-save:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.3);
}

/* Custom Links Styles */
.links-container {
    margin-top: 20px;
}

.link-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

.link-input {
    flex: 1;
}

.link-color-input {
    width: 60px;
    min-width: 60px;
    height: 42px;
    padding: 0;
    border: 1px solid #ddd;
}

.btn-remove {
    background-color: #ff4757;
    color: white;
    border: none;
    border-radius: var(--border-radius);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-remove:hover {
    background-color: #ff3742;
}

.btn-add-link {
    background-color: var(--success);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.btn-add-link:hover {
    background-color: #3ab7e0;
}

.action-buttons {
    display: flex;
    gap: 10px;
    position: fixed;
    bottom: 340px;
    z-index: 100;
}

.btn-test {
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-test:hover {
    background-color: #5a6268;
}

.btn-copy {
    background-color: #17a2b8;
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy:hover {
    background-color: #138496;
}

.image-upload {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.image-preview {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid #e2e8f0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.image-preview i {
    font-size: 30px;
    color: #6c757d;
}

.custom-code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

/* Theme Classes for Preview */
.theme-default .preview-card,
.theme-default .profile-header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%) !important;
}

.theme-light .preview-card,
.theme-light .profile-header {
    background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%) !important;
}

.theme-dark .preview-card,
.theme-dark .profile-header {
    background: linear-gradient(135deg, #2b5876 0%, #4e4376 100%) !important;
}

.theme-neon .preview-card,
.theme-neon .profile-header {
    background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%) !important;
}

.theme-elegant .preview-card,
.theme-elegant .profile-header {
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%) !important;
}

.theme-minimal .preview-card,
.theme-minimal .profile-header {
    background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%) !important;
}

.theme-gradient .preview-card,
.theme-gradient .profile-header {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%) !important;
}

/* Error Pages */
.error-page {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-container {
    text-align: center;
    color: white;
}

.error-content h1 {
    font-size: 120px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1;
}

.error-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.error-content p {
    margin-bottom: 30px;
    opacity: 0.9;
    font-size: 18px;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    color: white;
    z-index: 10000;
    font-weight: 500;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 400px;
}

.notification-success {
    background-color: #4CAF50;
}

.notification-error {
    background-color: #F44336;
}

.notification-warning {
    background-color: #FF9800;
}

.notification-info {
    background-color: #2196F3;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    margin-left: 10px;
}

/* Form Validation */
.invalid {
    border-color: #F44336 !important;
}

.error-message {
    color: #F44336;
    font-size: 14px;
    margin-top: 5px;
}

/* Tooltips */
.tooltip {
    position: fixed;
    background-color: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
    z-index: 1000;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px 5px 0;
    border-style: solid;
    border-color: #333 transparent transparent;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-actions {
        flex-direction: column;
    }
    
    .link-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .preview-card {
        position: relative;
        width: 100%;
        margin-bottom: 20px;
        bottom: unset;
        right: unset;
    }
    
    .action-buttons {
        position: relative;
        bottom: unset;
        right: unset;
        margin-top: 20px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 20px;
    }
    
    .profile-header {
        padding: 30px 20px 20px;
    }
    
    .profile-links {
        padding: 20px;
    }
    
    .social-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fb;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    background: white;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
}

.main-nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary);
    color: white;
}

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

/* Button Styles */
.btn {
    padding: 10px 20px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Auth Pages */
.auth-page {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h1 {
    color: var(--primary);
    margin-bottom: 10px;
}

.auth-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.input-with-icon input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

.input-with-icon input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.auth-footer {
    text-align: center;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.alert {
    padding: 12px 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

/* Dashboard Styles */
.dashboard-header {
    margin-bottom: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.stat-info h3 {
    font-size: 28px;
    margin-bottom: 5px;
    color: var(--dark);
}

.stat-info p {
    color: var(--gray);
    font-weight: 500;
}

.dashboard-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.dashboard-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.link-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(67, 97, 238, 0.1);
}

.link-info h4 {
    margin-bottom: 5px;
    color: var(--dark);
}

.link-info p {
    color: var(--gray);
    font-size: 14px;
}

.link-stats {
    color: var(--gray);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Profile Page Styles */
.profile-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #f5f7fb;
}

.profile-container {
    width: 100%;
    max-width: 500px;
}

.profile-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.profile-header {
    padding: 40px 30px 30px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
    margin: 0 auto 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar i {
    font-size: 40px;
}

.profile-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.profile-bio {
    opacity: 0.9;
    margin-bottom: 10px;
}

.profile-location {
    opacity: 0.8;
    font-size: 14px;
}

.profile-links {
    padding: 30px;
}

.profile-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    margin-bottom: 12px;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.profile-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.profile-footer {
    padding: 20px;
    text-align: center;
    color: var(--gray);
    border-top: 1px solid #e2e8f0;
}

/* Theme Classes */
.theme-default .profile-header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
}

.theme-light .profile-header {
    background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
}

.theme-dark .profile-header {
    background: linear-gradient(135deg, #2b5876 0%, #4e4376 100%);
}

.theme-neon .profile-header {
    background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%);
}

.theme-elegant .profile-header {
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
}

.theme-minimal .profile-header {
    background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
}

.theme-gradient .profile-header {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-actions {
        flex-direction: column;
    }
    
    .link-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 20px;
    }
    
    .profile-header {
        padding: 30px 20px 20px;
    }
    
    .profile-links {
        padding: 20px;
    }
}

/* Error Pages */
.error-page {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-container {
    text-align: center;
    color: white;
}

.error-content h1 {
    font-size: 120px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1;
}

.error-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.error-content p {
    margin-bottom: 30px;
    opacity: 0.9;
    font-size: 18px;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    color: white;
    z-index: 10000;
    font-weight: 500;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 400px;
}

.notification-success {
    background-color: #4CAF50;
}

.notification-error {
    background-color: #F44336;
}

.notification-warning {
    background-color: #FF9800;
}

.notification-info {
    background-color: #2196F3;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    margin-left: 10px;
}

/* Form Validation */
.invalid {
    border-color: #F44336 !important;
}

.error-message {
    color: #F44336;
    font-size: 14px;
    margin-top: 5px;
}

/* Tooltips */
.tooltip {
    position: fixed;
    background-color: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
    z-index: 1000;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px 5px 0;
    border-style: solid;
    border-color: #333 transparent transparent;
}