:root {
    /* Colors */
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --bg-hover: #2a2a2a;

    --primary: #E3C770;
    --primary-hover: #f0d680;
    --primary-dim: rgba(227, 199, 112, 0.1);

    --text-main: #f0f0f0;
    --text-muted: #aaaaaa;

    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Borders */
    --border-radius: 8px;
    --border-color: #333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Components */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary-dim);
}

.btn-danger {
    background-color: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
}

.btn-danger:hover {
    background-color: rgba(244, 67, 54, 0.1);
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.85rem;
}

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-muted);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-main);
    font-family: inherit;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Utilities */
.text-primary {
    color: var(--primary);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-muted {
    color: var(--text-muted);
}

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

.text-right {
    text-align: right;
}

.flex {
    display: flex;
}

.flex-between {
    justify-content: space-between;
}

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

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

/* Loading Screen */
.loading-screen {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 2px;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--primary-dim);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Navbar */
.navbar {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 5px 10px;
    border-radius: var(--border-radius);
}

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

.nav-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-muted);
    background-color: var(--bg-dark);
    padding: 5px 15px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.stat-value {
    color: var(--text-main);
    font-weight: 600;
}

/* Auth Page */
.auth-container {
    max-width: 400px;
    margin: 100px auto;
}

.auth-card {
    background-color: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.auth-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background-color: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--primary);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.2s;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

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

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--bg-dark);
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--success);
}

.toggle-switch input:checked+.toggle-slider:before {
    transform: translateX(24px);
}

/* Form Group */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-main);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    pointer-events: all;
}

.toast-show {
    opacity: 1;
    transform: translateX(0);
}

.toast-hide {
    opacity: 0;
    transform: translateX(400px);
}

.toast-icon {
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-message {
    flex: 1;
    color: var(--text-main);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color 0.2s;
}

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

/* Toast Types */
.toast-success {
    border-left-color: var(--success);
}

.toast-success .toast-icon {
    color: var(--success);
}

.toast-error {
    border-left-color: var(--danger);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-warning .toast-icon {
    color: var(--warning);
}

.toast-info {
    border-left-color: var(--primary);
}

.toast-info .toast-icon {
    color: var(--primary);
}

/* Confirmation Dialog */
#confirm-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1500;
    pointer-events: none;
}

.confirm-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: all;
}

.confirm-overlay.confirm-show {
    opacity: 1;
}

.confirm-overlay.confirm-hide {
    opacity: 0;
}

.confirm-dialog {
    background-color: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    transform: scale(0.9);
    transition: transform 0.2s ease;
}

.confirm-overlay.confirm-show .confirm-dialog {
    transform: scale(1);
}

.confirm-overlay.confirm-hide .confirm-dialog {
    transform: scale(0.9);
}

.confirm-message {
    color: var(--text-main);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.confirm-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.confirm-buttons .btn {
    flex: 1;
    max-width: 150px;
}


/* Loading States */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 4000;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.loading-overlay-visible {
    opacity: 1;
}

.loading-overlay-content {
    text-align: center;
}

.loading-overlay-content p {
    margin-top: var(--spacing-md);
    color: var(--text-main);
    font-size: 1.1rem;
}

/* Small inline spinner */
.inline-spinner {
    display: inline-block;
}

.loader-small {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-dim);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

/* Disabled state improvement */
.btn:disabled:not(.btn-loading) {
    opacity: 0.5;
    cursor: not-allowed;
}