/* BioLinx Design System - Inspired by Shadcn */

:root {
    /* Colors - HSL for easy manipulation */
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;

    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;

    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;

    --primary: 222.2 47.4% 11.2%;
    --primary-foreground: 210 40% 98%;

    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;

    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;

    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;

    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;

    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 222.2 84% 4.9%;

    --radius: 0.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

.dark {
    --background: 222.2 84% 4.9%;
    --foreground: 210 40% 98%;

    --card: 222.2 84% 4.9%;
    --card-foreground: 210 40% 98%;

    --popover: 222.2 84% 4.9%;
    --popover-foreground: 210 40% 98%;

    --primary: 210 40% 98%;
    --primary-foreground: 222.2 47.4% 11.2%;

    --secondary: 217.2 32.6% 17.5%;
    --secondary-foreground: 210 40% 98%;

    --muted: 217.2 32.6% 17.5%;
    --muted-foreground: 215 20.2% 65.1%;

    --accent: 217.2 32.6% 17.5%;
    --accent-foreground: 210 40% 98%;

    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;

    --border: 217.2 32.6% 17.5%;
    --input: 217.2 32.6% 17.5%;
    --ring: 212.7 26.8% 83.9%;
}

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

html, body {
    height: 100%;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.5;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

a {
    color: hsl(var(--primary));
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 768px;
}

.container-lg {
    max-width: 1400px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: hsl(var(--background));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid hsl(var(--muted));
    border-top-color: hsl(var(--primary));
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: hsl(var(--primary) / 0.9);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: hsl(var(--secondary) / 0.8);
}

.btn-outline {
    border-color: hsl(var(--border));
    background-color: transparent;
}

.btn-outline:hover:not(:disabled) {
    background-color: hsl(var(--accent));
}

.btn-ghost {
    background-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: hsl(var(--accent));
}

.btn-destructive {
    background-color: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
}

.btn-destructive:hover:not(:disabled) {
    background-color: hsl(var(--destructive) / 0.9);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-icon {
    padding: var(--spacing-sm);
    aspect-ratio: 1;
}

/* Input Component */
.input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    transition: all 0.2s;
}

.input:focus {
    outline: none;
    border-color: hsl(var(--ring));
    box-shadow: 0 0 0 3px hsl(var(--ring) / 0.1);
}

.input::placeholder {
    color: hsl(var(--muted-foreground));
}

.input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

textarea.input {
    resize: vertical;
    min-height: 80px;
}

/* Card Component */
.card {
    background-color: hsl(var(--card));
    color: hsl(var(--card-foreground));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid hsl(var(--border));
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.card-description {
    font-size: 0.875rem;
    color: hsl(var(--muted-foreground));
    margin-top: var(--spacing-xs);
}

.card-content {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid hsl(var(--border));
}

/* Badge Component */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}

.badge-secondary {
    background-color: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
}

.badge-outline {
    background-color: transparent;
    border: 1px solid hsl(var(--border));
    color: hsl(var(--foreground));
}

/* Alert Component */
.alert {
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    display: flex;
    gap: var(--spacing-md);
}

.alert-info {
    background-color: hsl(210 40% 96.1%);
    border-color: hsl(210 40% 80%);
}

.alert-success {
    background-color: hsl(142 76% 96%);
    border-color: hsl(142 76% 80%);
}

.alert-warning {
    background-color: hsl(48 96% 96%);
    border-color: hsl(48 96% 80%);
}

.alert-error {
    background-color: hsl(0 84.2% 96%);
    border-color: hsl(0 84.2% 80%);
}

/* Header/Navigation */
.header {
    border-bottom: 1px solid hsl(var(--border));
    background-color: hsl(var(--background));
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.nav-links .nav-link {
    color: hsl(var(--foreground));
    font-weight: 500;
    text-decoration: none;
}

.nav-links .nav-link:hover {
    color: hsl(var(--accent));
}

/* Dashboard Layout */
.dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.sidebar {
    border-right: 1px solid hsl(var(--border));
    background-color: hsl(var(--card));
    padding: var(--spacing-lg);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: hsl(var(--foreground));
    cursor: pointer;
    transition: background-color 0.2s;
}

.sidebar-nav-item:hover {
    background-color: hsl(var(--accent));
}

.sidebar-nav-item.active {
    background-color: hsl(var(--accent));
    font-weight: 600;
}

.main-content {
    padding: var(--spacing-xl);
    overflow-y: auto;
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.form-hint {
    display: block;
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
    margin-top: var(--spacing-xs);
}

.form-error {
    display: block;
    font-size: 0.75rem;
    color: hsl(var(--destructive));
    margin-top: var(--spacing-xs);
}

/* Link Editor */
.link-item {
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    cursor: move;
    transition: all 0.2s;
}

.link-item:hover {
    box-shadow: var(--shadow-md);
}

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

.link-item-drag-handle {
    cursor: grab;
    color: hsl(var(--muted-foreground));
}

.link-item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Preview Panel */
.preview-panel {
    position: sticky;
    top: var(--spacing-xl);
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.phone-preview {
    width: 100%;
    max-width: 375px;
    margin: 0 auto;
    aspect-ratio: 9/19.5;
    border: 8px solid #1f2937;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.phone-preview-screen {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    background-color: hsl(var(--background));
}

.phone-preview-screen .profile-link {
    cursor: pointer;
    position: relative;
}

.phone-preview-screen .profile-link:hover::after {
    content: "Preview only";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: hsl(var(--foreground));
    color: hsl(var(--background));
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    pointer-events: none;
}

/* Public Profile */
.profile-page {
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.profile-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--spacing-md);
    border: 3px solid hsl(var(--border));
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.profile-bio {
    color: hsl(var(--muted-foreground));
    max-width: 600px;
    margin: 0 auto;
}

.profile-links {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.profile-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    text-align: center;
    font-weight: 500;
    transition: all 0.2s;
}

.profile-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.profile-social-icons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    transition: all 0.2s;
}

.social-icon:hover {
    background-color: hsl(var(--accent));
    transform: scale(1.1);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: var(--spacing-md);
}

.modal {
    background-color: hsl(var(--background));
    border-radius: var(--radius);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-content {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid hsl(var(--border));
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: hsl(var(--input));
    transition: 0.4s;
    border-radius: 34px;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

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

.switch input:checked + .switch-slider:before {
    transform: translateX(20px);
}

/* Tabs */
.tabs {
    width: 100%;
}

.tabs-list {
    display: flex;
    border-bottom: 1px solid hsl(var(--border));
    gap: var(--spacing-md);
}

.tabs-trigger {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: hsl(var(--muted-foreground));
    transition: all 0.2s;
}

.tabs-trigger:hover {
    color: hsl(var(--foreground));
}

.tabs-trigger.active {
    color: hsl(var(--foreground));
    border-bottom-color: hsl(var(--primary));
}

.tabs-content {
    padding: var(--spacing-lg) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-muted { color: hsl(var(--muted-foreground)); }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Color Picker */
.color-picker-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.color-picker {
    width: 60px;
    height: 40px;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 250px;
        z-index: 100;
        transition: left 0.3s;
    }

    .sidebar.open {
        left: 0;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}

/* Animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Sortable Ghost */
.sortable-ghost {
    opacity: 0.4;
}

/* Avatar Drop Zone */
.avatar-drop-zone {
    width: 100%;
    min-height: 200px;
    border: 2px dashed hsl(var(--border));
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: hsl(var(--muted) / 0.3);
    position: relative;
    overflow: hidden;
}

.avatar-drop-zone:hover {
    border-color: hsl(var(--primary));
    background-color: hsl(var(--muted) / 0.5);
}

.avatar-drop-zone.drag-over {
    border-color: hsl(var(--primary));
    background-color: hsl(var(--primary) / 0.1);
    transform: scale(1.02);
}

.avatar-drop-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    color: hsl(var(--muted-foreground));
}

.avatar-drop-placeholder p {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 500;
}

.avatar-drop-placeholder small {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

.avatar-preview {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid hsl(var(--border));
    transition: all 0.2s;
}

.avatar-drop-zone:hover .avatar-preview {
    border-color: hsl(var(--primary));
    transform: scale(1.05);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--muted));
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--muted-foreground) / 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--muted-foreground) / 0.5);
}

/* Stripe Elements Styling */
.stripe-card-element {
    padding: 12px;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    background: hsl(var(--background));
    transition: border-color 0.15s ease;
}

.stripe-card-element:focus-within {
    border-color: hsl(var(--primary));
    outline: 2px solid hsl(var(--primary) / 0.2);
    outline-offset: 2px;
}

.payment-modal {
    min-width: 400px;
}

.payment-summary {
    background: hsl(var(--muted) / 0.5);
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

#submit-payment:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#button-spinner::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spinner 0.6s linear infinite;
}

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

/* Trust Badges */
.trust-badges {
    padding: 1rem 0;
}

.trust-badges svg,
.payment-trust-badges svg {
    flex-shrink: 0;
}

.payment-trust-badges {
    background: hsl(var(--muted) / 0.3);
    border-radius: var(--radius);
    padding: 1rem;
}

.payment-trust-badges p {
    margin: 0;
}

/* Hover effects for trust badges */
.trust-badges > div > div:hover,
.payment-trust-badges > div > div:hover {
    opacity: 1;
    transition: opacity 0.2s ease;
}