/* Shadcn-inspired Design with Lucide Icons */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --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: 221.2 83.2% 53.3%;
    --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: 221.2 83.2% 53.3%;
    --radius: 0.5rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: hsl(var(--card));
    border-right: 1px solid hsl(var(--border));
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    width: calc(100% - 260px);
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar */
.brand {
    padding: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: hsl(var(--foreground));
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid hsl(var(--border));
}

.brand svg {
    width: 24px;
    height: 24px;
    color: hsl(var(--primary));
}

.nav-links {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
}

.nav-section-title {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: hsl(var(--muted-foreground));
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius);
    color: hsl(var(--muted-foreground));
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

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

.nav-item.active {
    background-color: hsl(var(--secondary));
    color: hsl(var(--primary));
}

.nav-item svg {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
}

.user-profile {
    margin-top: auto;
    padding: 1rem;
    border-top: 1px solid hsl(var(--border));
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-profile svg {
    width: 20px;
    height: 20px;
}

/* Cards & Tables */
.card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) + 2px);
    padding: 1.5rem;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: hsl(var(--foreground));
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.5rem;
    white-space: nowrap;
}

.btn svg {
    width: 16px;
    height: 16px;
}

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

.btn-primary:hover {
    background-color: hsl(var(--primary) / 0.9);
}

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

.btn-secondary:hover {
    background-color: hsl(var(--secondary) / 0.8);
}

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

.btn-destructive:hover {
    background-color: hsl(var(--destructive) / 0.9);
}

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

.btn-outline:hover {
    background-color: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

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

.btn-ghost:hover {
    background-color: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: hsl(var(--foreground));
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.875rem;
    background-color: hsl(var(--background));
    transition: border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid hsl(var(--border));
}

th {
    font-weight: 600;
    font-size: 0.875rem;
    color: hsl(var(--muted-foreground));
    background-color: hsl(var(--muted) / 0.5);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: hsl(var(--muted) / 0.5);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background-color: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
}

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

.badge-success {
    background-color: hsl(142.1 76.2% 36.3% / 0.1);
    color: hsl(142.1 76.2% 36.3%);
}

.badge-destructive {
    background-color: hsl(var(--destructive) / 0.1);
    color: hsl(var(--destructive));
}

/* Alert */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border: 1px solid;
    display: flex;
    align-items: start;
    gap: 0.75rem;
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-success {
    background-color: hsl(142.1 76.2% 36.3% / 0.1);
    border-color: hsl(142.1 76.2% 36.3% / 0.3);
    color: hsl(142.1 70% 25%);
}

.alert-error {
    background-color: hsl(var(--destructive) / 0.1);
    border-color: hsl(var(--destructive) / 0.3);
    color: hsl(0 70% 35%);
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: hsl(var(--background));
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: hsl(var(--card));
    padding: 2rem;
    border-radius: calc(var(--radius) + 2px);
    border: 1px solid hsl(var(--border));
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* Mobile */
.mobile-toggle {
    display: none;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
}

/* Checkbox styling */
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border: 1px solid hsl(var(--input));
    border-radius: 0.25rem;
    cursor: pointer;
    accent-color: hsl(var(--primary));
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 1rem;
        padding-top: 4rem;
    }

    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 100;
        background: hsl(var(--card));
        width: 40px;
        height: 40px;
        border-radius: var(--radius);
        box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
        border: 1px solid hsl(var(--border));
        color: hsl(var(--foreground));
        cursor: pointer;
    }

    .mobile-toggle svg {
        width: 20px;
        height: 20px;
    }

    .overlay.active {
        display: block;
    }
}