/* Design tokens - shadcn style */
:root {
    /* Colors */
    --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%;
    
    /* Border radius */
    --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-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    --scroll-shadow: 0 0% 0%;
}

/* Dark theme */
.dark {
    color-scheme: 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%;

    --scroll-shadow: 210 40% 98%;
}

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

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Header styles */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--foreground));
}

.header p {
    font-size: var(--font-size-lg);
    color: hsl(var(--muted-foreground));
}

/* Main content */
.main {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-of-type {
    margin-bottom: var(--spacing-xl);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--foreground));
}

/* Input styles */
.input {
    width: 100%;
    height: 2.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-sans);
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.input:hover {
    border-color: hsl(var(--ring));
}

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

.input:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: hsl(var(--muted));
}

/* Select styles */
.select {
    width: 100%;
    height: 2.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-sans);
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.select:hover {
    border-color: hsl(var(--ring));
}

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

.select:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: hsl(var(--muted));
}

/* Combobox styles */
.combobox {
    position: relative;
    width: 100%;
}

.combobox-control {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 2.5rem;
    padding: 4px var(--spacing-sm);
    background-color: hsl(var(--background));
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    cursor: text;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.combobox-control:hover {
    border-color: hsl(var(--ring));
}

.combobox-control:focus-within {
    border-color: hsl(var(--ring));
    box-shadow: 0 0 0 3px hsla(var(--ring) / 0.1);
}

.combobox-input {
    flex: 1;
    min-width: 80px;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--font-size-sm);
    font-family: var(--font-sans);
    color: hsl(var(--foreground));
    padding: 2px 0;
    line-height: 1.5;
}

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

/* Pills / tags for selected items */
.combobox-pill {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 6px;
    background-color: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
    border-radius: calc(var(--radius) - 2px);
    font-size: var(--font-size-sm);
    line-height: 1.4;
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.combobox-pill-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    background: transparent;
    color: hsl(var(--muted-foreground));
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background-color 0.15s, color 0.15s;
}

.combobox-pill-remove:hover {
    background-color: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
}

/* Dropdown list */
.combobox-list {
    display: none;
    position: absolute;
    z-index: 50;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    max-height: 280px;
    overflow-y: auto;
    background-color: hsl(var(--popover));
    color: hsl(var(--popover-foreground));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    list-style: none;
    padding: 4px;
}

.combobox-list--open {
    display: block;
}

/* Individual option */
.combobox-option {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 8px 10px;
    border-radius: calc(var(--radius) - 2px);
    cursor: pointer;
    position: relative;
    transition: background-color 0.1s;
}

.combobox-option:hover,
.combobox-option--active {
    background-color: hsl(var(--accent));
}

.combobox-option--selected {
    background-color: hsl(var(--accent) / 0.5);
}

.combobox-option--selected:hover,
.combobox-option--selected.combobox-option--active {
    background-color: hsl(var(--accent));
}

.combobox-option-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--foreground));
    line-height: 1.3;
}

.combobox-option-subtitle {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
    line-height: 1.3;
}

.combobox-option-check {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-sm);
    color: hsl(var(--foreground));
    font-weight: 600;
}

/* Filter group width for combobox */
.filter-group-combo {
    flex: 2;
    min-width: 250px;
}

/* Button styles */
.button {
    width: 100%;
    height: 2.5rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-sans);
    color: hsl(var(--primary-foreground));
    background-color: hsl(var(--primary));
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
}

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

.button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px hsla(var(--ring) / 0.3);
}

.button:active {
    transform: scale(0.98);
}

.button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background-color: hsl(var(--muted));
    color: hsl(var(--muted-foreground));
}

/* Table styles (for future use) */
table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    overflow: hidden;
}

th {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: left;
    color: hsl(var(--foreground));
    background-color: hsl(var(--muted));
    border-bottom: 1px solid hsl(var(--border));
}

td {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: hsl(var(--foreground));
    border-bottom: 1px solid hsl(var(--border));
}

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

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

/* StepInsight Branding */
.branding {
    text-align: center;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: hsl(var(--muted-foreground));
}

.branding a {
    color: hsl(var(--muted-foreground));
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Filter Bar */
.filter-bar {
    margin-bottom: var(--spacing-xl);
}

.filter-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--foreground));
}



/* Results layout - full width */
.results {
    width: 100%;
}

/* Summary */
.summary {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: hsl(var(--muted-foreground));
}

/* Message */
.message {
    text-align: center;
    padding: var(--spacing-xl);
    color: hsl(var(--muted-foreground));
}

.message a {
    color: hsl(var(--primary));
    text-decoration: underline;
}

/* Sortable table headers */
.results-table th a {
    color: hsl(var(--foreground));
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s;
    white-space: nowrap;
}

.results-table th a:hover {
    color: hsl(var(--primary));
}

/* Action buttons in table */
.actions-cell {
    white-space: nowrap;
}

.btn-action {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    margin-right: var(--spacing-xs);
}

.btn-action:last-child {
    margin-right: 0;
}

.btn-visit {
    color: hsl(var(--primary-foreground));
    background-color: hsl(142.1 76.2% 36.3%);
}

.btn-visit:hover {
    background-color: hsl(142.1 76.2% 30%);
}



/* Table scroll container with shadow */
.table-scroll-container {
    position: relative;
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    /* Scroll shadow on right edge */
    background:
        /* Shadow covers */
        linear-gradient(to right, hsl(var(--background)) 30%, hsl(var(--background) / 0)),
        linear-gradient(to right, hsl(var(--background) / 0), hsl(var(--background)) 70%),
        /* Shadows */
        radial-gradient(farthest-side at 0% 50%, hsl(var(--scroll-shadow) / 0.2), transparent),
        radial-gradient(farthest-side at 100% 50%, hsl(var(--scroll-shadow) / 0.2), transparent);
    background-position: left center, right center, left center, right center;
    background-repeat: no-repeat;
    background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
    background-attachment: local, local, scroll, scroll;
}



/* Theme toggle button */
.theme-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 100;
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    border: 1px solid hsl(var(--border));
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    cursor: pointer;
    font-size: var(--font-size-lg);
    line-height: 1;
    transition: background-color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    background-color: hsl(var(--accent));
    border-color: hsl(var(--ring));
}

.combobox-pill-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Pill toggle buttons (Day / Type filters) */
.filter-row-pills {
    margin-top: var(--spacing-sm);
    gap: var(--spacing-lg);
    align-items: center;
}

.pill-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.pill-group-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: hsl(var(--foreground));
    margin-right: var(--spacing-xs);
}

.pill-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 12px;
    font-size: var(--font-size-sm);
    font-family: var(--font-sans);
    font-weight: 500;
    color: hsl(var(--foreground));
    background-color: hsl(var(--background));
    border: 1px solid hsl(var(--border));
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
    white-space: nowrap;
}

.pill-toggle:hover {
    background-color: hsl(var(--accent));
    border-color: hsl(var(--ring));
}

.pill-toggle--active {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}

.pill-toggle--active:hover {
    background-color: hsl(var(--primary) / 0.9);
    border-color: hsl(var(--primary) / 0.9);
}

/* Responsive: Tablet (max-width: 1023px) */
@media (max-width: 1023px) {
    .container {
        padding: var(--spacing-lg);
    }
}

/* Responsive: Mobile (max-width: 640px) */
@media (max-width: 640px) {
    .container {
        padding: var(--spacing-md);
    }

    /* Filter bar - stack vertically on mobile */
    .filter-row {
        flex-direction: column;
    }

    .filter-group {
        min-width: 100%;
    }

    /* Pill groups stack vertically */
    .filter-row-pills {
        gap: var(--spacing-sm);
    }

    /* Card layout for results table */
    .table-scroll-container {
        overflow-x: visible;
        background: none;
    }

    .results-table thead {
        display: none;
    }

    .results-table,
    .results-table tbody {
        display: block;
    }

    .results-table tr {
        display: block;
        border: 1px solid hsl(var(--border));
        border-radius: var(--radius);
        padding: var(--spacing-sm) var(--spacing-md);
        margin-bottom: var(--spacing-md);
        background-color: hsl(var(--card));
    }

    .results-table tr:hover {
        background-color: hsl(var(--card));
    }

    .results-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-xs) 0;
        border-bottom: none;
    }

    .results-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: var(--font-size-sm);
        color: hsl(var(--muted-foreground));
        margin-right: var(--spacing-md);
        flex-shrink: 0;
    }

    .results-table td:last-child {
        border-bottom: none;
    }

    .results-table .actions-cell {
        justify-content: flex-end;
    }
}