/**
 * SmileWay: design tokens and base components
 * Tier 1 structure per Impeccable; color/type personality per Taste-Skill (Outfit + IBM Plex Mono).
 */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&family=Outfit:wght@400;500;600&display=swap");

:root {
    /* Typography (Taste-Skill: sans + mono for dense data; Inter avoided) */
    --font-family-sans: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", "Consolas", monospace;
    --font-family: var(--font-family-sans);

    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 22px;
    --font-size-2xl: 26px;
    --font-size-3xl: 30px;

    --line-height-tight: 1.2;
    --line-height-snug: 1.35;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;

    /* Spacing: strict 4px base */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 28px;
    --space-8: 32px;
    --space-9: 36px;
    --space-10: 40px;
    --space-11: 44px;
    --space-12: 48px;
    --space-13: 52px;
    --space-14: 56px;
    --space-15: 60px;
    --space-16: 64px;

    /* Semantic spacing aliases (legacy HTML) */
    --spacing-xs: var(--space-2);
    --spacing-sm: var(--space-3);
    --spacing-md: var(--space-4);
    --spacing-lg: var(--space-5);
    --spacing-xl: var(--space-8);
    --spacing-2xl: var(--space-10);

    /* Primary scale: periwinkle blue (OKLCH hue ~275). Alive blue-violet accent, not steel or teal. */
    --color-primary-50: oklch(0.97 0.02 275);
    --color-primary-100: oklch(0.94 0.04 275);
    --color-primary-200: oklch(0.88 0.06 275);
    --color-primary-300: oklch(0.78 0.09 275);
    --color-primary-400: oklch(0.68 0.11 275);
    --color-primary-500: oklch(0.55 0.14 275);
    --color-primary-600: oklch(0.48 0.13 275);
    --color-primary-700: oklch(0.42 0.12 275);
    --color-primary-800: oklch(0.34 0.10 275);
    --color-primary-900: oklch(0.26 0.08 275);

    /* Legacy primary aliases */
    --color-primary: var(--color-primary-700);
    --color-primary-light: var(--color-primary-300);
    --color-primary-lighter: var(--color-primary-100);
    --color-primary-hover: var(--color-primary-600);
    --color-primary-dark: var(--color-primary-900);

    /* Neutrals: warm canvas + cool ink (surfaces ~95, text ~252) */
    --color-bg-main: oklch(0.98 0.007 95);
    --color-bg-white: oklch(0.999 0.004 95);
    --color-bg-light: oklch(0.97 0.009 95);
    --color-bg-input: oklch(0.985 0.006 95);
    --color-bg-subtle: oklch(0.96 0.012 95);

    --color-text-primary: oklch(0.32 0.016 252);
    --color-text-secondary: oklch(0.45 0.018 252);
    --color-text-muted: oklch(0.58 0.014 252);
    --color-text-light: oklch(0.74 0.012 252);
    --color-text-on-primary: oklch(0.99 0.004 252);

    /* Borders */
    --color-border: oklch(0.88 0.012 252);
    --color-border-light: oklch(0.93 0.01 252);
    --color-border-strong: oklch(0.72 0.016 252);
    --color-border-focus: var(--color-primary-400);

    /* Status (non-Bootstrap, muted clinical) */
    --color-success: oklch(0.52 0.12 155);
    --color-success-bg: oklch(0.96 0.03 155);
    --color-success-border: oklch(0.88 0.06 155);
    --color-success-text: oklch(0.35 0.08 155);

    --color-error: oklch(0.52 0.18 25);
    --color-error-bg: oklch(0.97 0.02 25);
    --color-error-border: oklch(0.88 0.06 25);
    --color-error-text: oklch(0.38 0.12 25);

    --color-warning: oklch(0.72 0.14 85);
    --color-warning-bg: oklch(0.97 0.03 90);
    --color-warning-border: oklch(0.9 0.06 90);
    --color-warning-text: oklch(0.42 0.08 75);

    /* Info: slightly cooler than primary steel for semantic separation (not brand accent) */
    --color-info: oklch(0.50 0.09 255);
    --color-info-bg: oklch(0.96 0.016 252);
    --color-info-border: oklch(0.88 0.028 252);
    --color-info-text: oklch(0.36 0.07 255);

    /* Secondary button neutrals */
    --color-btn-secondary: oklch(0.48 0.022 252);
    --color-btn-secondary-hover: oklch(0.40 0.024 252);

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 14px;
    --radius-pill: 999px;
    --radius-full: 50%;

    /* Shadows: structural only, max 10% opacity */
    --shadow-xs: 0 1px 2px oklch(0.2 0.02 250 / 0.06);
    --shadow-sm: 0 1px 3px oklch(0.2 0.02 250 / 0.08);
    --shadow-md: 0 2px 8px oklch(0.2 0.02 250 / 0.09);
    --shadow-lg: 0 4px 16px oklch(0.2 0.02 250 / 0.1);
    /* Legacy name: keep for pages that still reference it; no lift, no glow */
    --shadow-hover: var(--shadow-md);

    /* Z-index scale */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-toast: 400;

    /* Motion */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/*
 * Landing shell (home.php) — section backgrounds only; primary ramp inherits :root.
 */
body.home-smileway-landing {
    --color-bg-canvas: oklch(0.94 0.012 95);
    --color-bg-hero-wash: oklch(0.97 0.022 275);
    --color-bg-hero-glow: oklch(0.92 0.04 275);
    --color-border-focus: var(--color-primary-500);
    --color-bg-section-capabilities: var(--color-primary-100);
    --color-bg-section-pricing: var(--color-primary-50);
    --color-bg-section-utility: var(--color-primary-50);
    --color-bg-section-network: var(--color-primary-900);
}

/* Public nav layout: css/public-landing-nav.css (load after wizard CSS on registration) */

/* Landing: primary vs ghost hierarchy (same rules as former home.php inline block) */
body.home-smileway-landing .btn.btn-primary {
    background-color: var(--color-primary-600);
    color: var(--color-text-on-primary);
    border: 1px solid var(--color-primary-700);
}

body.home-smileway-landing .btn.btn-primary:hover {
    background-color: var(--color-primary-700);
    color: var(--color-text-on-primary);
    border-color: var(--color-primary-800);
}

body.home-smileway-landing .btn.btn-ghost {
    background-color: var(--color-bg-white);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-strong);
}

body.home-smileway-landing .btn.btn-ghost:hover {
    background-color: var(--color-bg-light);
    color: var(--color-text-primary);
    border-color: var(--color-primary-500);
}

body.home-smileway-landing .home-landing-text-soft {
    color: color-mix(in oklch, var(--color-text-on-primary) 92%, transparent);
}

body.home-smileway-landing .home-landing-chip {
    background-color: color-mix(in oklch, var(--color-text-on-primary) 24%, transparent);
}

body.home-smileway-landing .home-landing-list-soft {
    color: color-mix(in oklch, var(--color-text-on-primary) 96%, transparent);
}

/* ==================== BUTTONS ==================== */
.btn {
    font-family: var(--font-family);
    padding: var(--space-3) var(--space-5);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition:
        background-color var(--transition-base),
        color var(--transition-base),
        border-color var(--transition-base);
    text-align: center;
}

.btn:focus {
    outline: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

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

.btn-primary:hover {
    background: var(--color-primary-600);
    color: var(--color-text-on-primary);
}

.btn-secondary {
    background: var(--color-btn-secondary);
    color: var(--color-text-on-primary);
}

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

.btn-success {
    background: var(--color-success);
    color: var(--color-text-on-primary);
}

.btn-success:hover {
    background: oklch(0.46 0.12 155);
    color: var(--color-text-on-primary);
}

.btn-danger {
    background: var(--color-error);
    color: var(--color-text-on-primary);
}

.btn-danger:hover {
    background: oklch(0.46 0.18 25);
    color: var(--color-text-on-primary);
}

.btn-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border: 1px solid var(--color-warning-border);
}

.btn-warning:hover {
    background: oklch(0.94 0.04 90);
    color: var(--color-warning-text);
}

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

.btn-ghost:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
    border-color: var(--color-border-strong);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-md);
    border-radius: var(--radius-lg);
}

.btn:active {
    /* No transform; tactile feedback via color only */
    filter: brightness(0.97);
}

/* ==================== ALERTS ==================== */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
    border: 1px solid var(--color-success-border);
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
    border: 1px solid var(--color-error-border);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border: 1px solid var(--color-warning-border);
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info-text);
    border: 1px solid var(--color-info-border);
}

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

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: var(--font-size-base);
    line-height: var(--line-height-snug);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="tel"],
textarea,
select {
    font-family: var(--font-family);
    width: 100%;
    padding: var(--space-3);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    transition:
        border-color var(--transition-base),
        background-color var(--transition-base);
    background: var(--color-bg-white);
    color: var(--color-text-primary);
    line-height: var(--line-height-normal);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 0;
    border-color: var(--color-primary-500);
}

/* ==================== CARDS ==================== */
.card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: none;
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    border-color: var(--color-border);
    background: var(--color-bg-light);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.card-title {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    font-weight: 600;
    margin: 0;
    line-height: var(--line-height-tight);
}

/* ==================== STATUS BADGES ==================== */
.status-badge {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-pill);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
    letter-spacing: 0.02em;
    line-height: var(--line-height-tight);
}

.status-scheduled {
    background: var(--color-info-bg);
    color: var(--color-info-text);
}

.status-completed {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.status-cancelled {
    background: var(--color-error-bg);
    color: var(--color-error-text);
}

.status-noshow {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}

/* ==================== TABLES ==================== */
.table-container {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
}

th {
    font-family: var(--font-family);
    background: var(--color-bg-input);
    color: var(--color-text-secondary);
    padding: var(--space-4) var(--space-5);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--color-border-light);
    line-height: var(--line-height-snug);
}

td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

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

tbody tr {
    transition: background-color var(--transition-fast);
}

tbody tr:hover {
    background: var(--color-bg-light);
}

/* ==================== UTILITY CLASSES ==================== */
.text-center {
    text-align: center;
}

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

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

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

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

/* Numeric / dense data (Taste-Skill: cockpit density) */
.font-numeric {
    font-family: var(--font-family-mono);
    font-variant-numeric: tabular-nums;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.flex {
    display: flex;
}

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

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

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

.font-weight-500 { font-weight: 500; }
.font-weight-600 { font-weight: 600; }
/* Legacy class name: product UI caps at 600 per DESIGN.md */
.font-weight-700 { font-weight: 600; }