:root {
    --pink: #D60270;
    --purple: #9B4F96;
    --blue: #0038A8;
    --red-600: #dc2626;
    --accent: linear-gradient(90deg, var(--pink), var(--purple), var(--blue));
}

/* Dark theme (default) */
:root,
[data-theme="dark"] {
    --bg-main: #121212;
    --bg-card: #1e1e1e;
    --text-main: #f0f0f0;
    --text-secondary: #b0b0b0;
    --surface-hov: #262626;
    --border-color: #262626;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Light theme */
[data-theme="light"] {
    --bg-main: #f5f5f5;
    --bg-card: #ffffff;
    --text-main: #333333;
    --text-secondary: #6b7280;
    --surface-hov: #f8f9ff;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

/* 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;
    color: var(--text-main);
    background-color: var(--bg-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #D60270 0%, #9B4F96 50%, #0038A8 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}


.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Navigation */
.nav {
    background: var(--bg-card);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

/* Theme toggle button */
.theme-toggle {
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--pink);
    background-color: var(--surface-hov);
}

.nav-link.active {
    color: var(--pink);
    background-color: var(--surface-hov);
    border: 1px solid var(--purple);
}


.nav-link i {
    margin-right: 0.5rem;
}

/* Auth section */
.auth-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--purple);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}


/* Main content */
.main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card h2 {
    color: var(--text-main);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.card h2 i {
    margin-right: 0.5rem;
    color: var(--pink);
}


/* Form elements */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-card);
    color: var(--text-main);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 56, 168, 0.2);
}


.form-group small {
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Preview section */
.preview-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.preview-section h3 {
    color: var(--text-main);
    margin-bottom: 1rem;
}

.preview-container {
    background: var(--bg-main);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease;
}


.badge-preview {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.code-section {
    margin-top: 1.5rem;
}

.code-section h4 {
    color: var(--text-main);
    margin-bottom: 1rem;
}

.code-container {
    position: relative;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.code-container pre {
    color: var(--text-main);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
    overflow-x: auto;
}

.code-container button {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
}

.code-container button:hover {
    transform: translateY(-50%) translateY(-1px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--blue);
    color: var(--text-main);
    border: 1px solid var(--blue);
}

.btn-primary:hover {
    background: var(--purple);
    border-color: var(--purple);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(155, 79, 150, 0.3);
}

.btn-secondary {
    background: var(--surface-hov);
    color: var(--text-main);
    border: 1px solid var(--surface-hov);
}

.btn-secondary:hover {
    background: var(--purple);
    border-color: var(--purple);
    transform: translateY(-1px);
}


.btn-danger {
    background: var(--red-600);
    color: var(--text-main);
    border: 1px solid var(--red-600);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Admin content */
.admin-content {
    min-height: 300px;
}

.login-prompt {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Badge management */
.badge-list {
    margin-top: 1rem;
}

.badge-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--bg-main);
    transition: background-color 0.3s ease;
}


.badge-info {
    flex: 1;
}

.badge-name {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.badge-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.badge-actions {
    display: flex;
    gap: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: background-color 0.3s ease;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--blue);
    margin-bottom: 0.5rem;
}


.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 20px 60px var(--shadow-color);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transition: background-color 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-main);
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
}

.close-btn:hover {
    color: var(--text-main);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}


/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}


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

/* Responsive design */
@media (max-width: 768px) {
    .nav .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .badge-item {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .badge-actions {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1rem;
    }
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.hidden { display: none !important; }
.block { display: block !important; }

/* Advanced customization panel styles */
.advanced-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    padding: 0.75rem;
}

.toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 1.2em;
    color: var(--text-main);
}

.toggle-icon.rotated {
    transform: rotate(45deg);
}

.advanced-panel {
    background-color: var(--surface-hov);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.color-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-picker {
    width: 50px;
    height: 38px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: none;
    padding: 0;
}

.color-text {
    flex: 1;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

/* Button outline variant */
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--surface-hov);
    border-color: var(--text-secondary);
}