/* ─────────────────────────────────────────────────────────
   Beauty Salon CRM — Design System Tokens
   Theme: "Digital Concierge" · Midnight Emerald + Liquid Gold
   v2.0 — Refined from src/styles/theme.config.ts
   ───────────────────────────────────────────────────────── */

/* Inter is loaded from index.html (<link rel="stylesheet">) so the request starts
   during HTML parsing instead of after this stylesheet has been downloaded. */

:root {
  /* ─── Primitive: Emerald (primary brand) ─── */
  --emerald-50:  #EEF7F3;
  --emerald-100: #D5EDE4;
  --emerald-200: #A8DBC8;
  --emerald-300: #72C4A7;
  --emerald-400: #3DAA88;
  --emerald-500: #1D8E6F;
  --emerald-600: #0E7259;
  --emerald-700: #065A47;
  --emerald-800: #00382F;
  --emerald-900: #00211B;

  /* ─── Primitive: Gold (accent) ─── */
  --gold-50:  #FEF9E7;
  --gold-100: #FCF0C3;
  --gold-200: #F8E08A;
  --gold-300: #F0CB4E;
  --gold-400: #D4AF37;  /* hero accent */
  --gold-500: #B89530;
  --gold-600: #8A6F24;
  --gold-700: #5C4A00;
  --gold-800: #453700;
  --gold-900: #2E2500;

  /* ─── Primitive: Neutral (warm sage-grey) ─── */
  --neutral-0:   #FFFFFF;
  --neutral-50:  #F9FAF6;
  --neutral-100: #EFF1EB;
  --neutral-200: #E1E4DC;
  --neutral-300: #CDD2C8;
  --neutral-400: #ACB3A6;
  --neutral-500: #808A7C;
  --neutral-600: #5F6B5C;
  --neutral-700: #434F41;
  --neutral-800: #1E2B1C;
  --neutral-900: #00211B;

  /* ─── Primitive: Status ─── */
  --success-50:  #F0FDF4;
  --success-100: #DCFCE7;
  --success-500: #10B981;
  --success-600: #059669;
  --success-700: #047857;

  --warning-50:  #FFFBEB;
  --warning-100: #FEF3C7;
  --warning-500: #F59E0B;
  --warning-600: #D97706;
  --warning-700: #B45309;

  --error-50:  #FEF2F2;
  --error-100: #FEE2E2;
  --error-500: #EF4444;
  --error-600: #DC2626;
  --error-700: #B91C1C;

  --info-50:  #F0F9FF;
  --info-100: #E0F2FE;
  --info-500: #0EA5E9;
  --info-600: #0284C7;
  --info-700: #0369A1;

  /* ─── Primitive: Rose (birthday banner + warm avatar accents) ─── */
  --rose-50:  #FDF2F4;
  --rose-100: #FCE5E9;
  --rose-200: #E8B4B8;
  --rose-500: #B76E79;
  --rose-700: #8E4A55;

  /* ─── Data viz (ordered, distinct, colorblind-safe) ─── */
  --data-1: #00382F;  /* emerald */
  --data-2: #D4AF37;  /* gold */
  --data-3: #3DAA88;  /* mint */
  --data-4: #B76E79;  /* rose */
  --data-5: #7C5CBF;  /* plum */
  --data-6: #D97706;  /* amber */
  --data-7: #0284C7;  /* sky */
  --data-8: #808A7C;  /* sage */

  /* ─── Semantic: Backgrounds ─── */
  --bg-canvas:    var(--neutral-50);
  --bg-surface:   var(--neutral-0);
  --bg-elevated:  #FAFCF8;
  --bg-muted:     var(--neutral-100);
  --bg-subtle:    #F4F6F1;
  --bg-inverse:   var(--emerald-900);
  --shell-sidebar-bg: linear-gradient(180deg, var(--emerald-800) 0%, var(--emerald-900) 60%, #001A13 100%);
  --shell-sidebar-solid: var(--emerald-900);
  --shell-topbar-bg: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-surface) 100%);

  /* ─── Semantic: Text ─── */
  --text-primary:   var(--emerald-900);
  --text-secondary: var(--neutral-700);
  --text-tertiary:  var(--neutral-500);
  --text-disabled:  var(--neutral-400);
  --text-inverse:   var(--neutral-0);
  --text-brand:     var(--emerald-800);
  --text-gold:      var(--gold-700);

  /* ─── Semantic: Borders ─── */
  --border-default: #D5DDD2;
  --border-strong:  #B5C2B0;
  --border-subtle:  rgba(0, 33, 27, 0.06);
  --border-ghost:   rgba(0, 33, 27, 0.10);
  --border-ghost-hover: rgba(0, 33, 27, 0.15);
  --border-focus:   var(--emerald-700);

  /* ─── Semantic: Actions ─── */
  --action-primary:        var(--emerald-800);
  --action-primary-hover:  var(--emerald-900);
  --action-primary-active: #001A13;
  --action-primary-soft:   rgba(0, 56, 47, 0.06);
  --action-primary-soft-strong: rgba(0, 56, 47, 0.12);

  --action-gold:       var(--gold-400);
  --action-gold-hover: var(--gold-500);
  --action-gold-soft:  rgba(212, 175, 55, 0.12);

  --action-danger:       var(--error-600);
  --action-danger-hover: var(--error-700);
  --action-danger-soft:  var(--error-50);

  /* ─── Semantic: Status backgrounds ─── */
  --state-success:    var(--success-600);
  --state-success-bg: var(--success-100);
  --state-warning:    var(--warning-600);
  --state-warning-bg: var(--warning-100);
  --state-error:      var(--error-600);
  --state-error-bg:   var(--error-100);
  --state-info:       var(--info-600);
  --state-info-bg:    var(--info-100);

  /* ─── Membership tiers (salon-specific) ─── */
  --tier-bronze: #B08565;
  --tier-silver: #9CA3AF;
  --tier-gold:   #D4AF37;
  --tier-platinum: #667085;
  --tier-diamond: #7C5CBF;

  /* ─── Typography ─── */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    ui-monospace, 'SF Mono', 'Menlo', 'Consolas', monospace;

  /* Type scale — modular, 1.125 ratio for body / 1.25 for display */
  --text-2xs:  10px;
  --text-xs:   11px;
  --text-sm:   12px;
  --text-base: 13px;
  --text-md:   14px;
  --text-lg:   16px;
  --text-xl:   18px;
  --text-2xl:  20px;
  --text-3xl:  24px;
  --text-4xl:  30px;
  --text-5xl:  38px;
  --text-6xl:  48px;
  --text-7xl:  60px;
  --text-8xl:  76px;

  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;

  --tracking-tighter: -0.04em;
  --tracking-tight:   -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.04em;
  --tracking-wider:   0.08em;
  --tracking-widest:  0.16em;

  /* ─── Spacing (4pt grid) ─── */
  --space-0:   0;
  --space-px:  1px;
  --space-0-5: 2px;
  --space-1:   4px;
  --space-1-5: 6px;
  --space-2:   8px;
  --space-2-5: 10px;
  --space-3:   12px;
  --space-4:   16px;
  --space-5:   20px;
  --space-6:   24px;
  --space-7:   28px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;

  /* ─── Radii ─── */
  --radius-none: 0;
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-2xl:  32px;
  --radius-pill: 999px;

  /* ─── Elevation (shadows) ─── */
  --shadow-xs: 0 1px 2px rgba(0, 33, 27, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 33, 27, 0.05);
  --shadow-md: 0 8px 28px rgba(0, 33, 27, 0.07);
  --shadow-lg: 0 12px 40px rgba(0, 33, 27, 0.09);
  --shadow-xl: 0 24px 64px rgba(0, 33, 27, 0.12);
  --shadow-inner: inset 0 1px 2px rgba(0, 33, 27, 0.04);

  --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.25);
  --shadow-focus: 0 0 0 3px rgba(212, 175, 55, 0.22);
  --shadow-focus-emerald: 0 0 0 3px rgba(0, 56, 47, 0.14);

  /* ─── Motion ─── */
  --ease-out: cubic-bezier(0.2, 0.7, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.23, 1, 0.32, 1);

  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;
  --duration-slower: 480ms;

  /* ─── Motion utilities (Tier 1) ─── */
  --ease-enter:        cubic-bezier(0.22, 1, 0.36, 1);
  --ease-exit:         cubic-bezier(0.4, 0, 1, 1);
  --ease-spring-soft:  cubic-bezier(0.2, 0, 0.2, 1);

  --stagger-0:    0ms;
  --stagger-1:   60ms;
  --stagger-2:  140ms;
  --stagger-3:  220ms;

  --dur-shimmer: 1.5s;
  --dur-fade:    200ms;
  --dur-enter:   420ms;
  --dur-content: 480ms;

  /* View Transitions durations (Tier 1) */
  --vt-dur-fade:  280ms;
  --vt-dur-morph: 400ms;
  --vt-ease:      cubic-bezier(0.22, 1, 0.36, 1); /* = --ease-enter */

  /* ─── Control heights ─── */
  --control-sm: 32px;
  --control-md: 40px;
  --control-lg: 48px;

  /* ═══════════════════════════════════════════════════════════
     DESIGN SYSTEM TIER 1 — added 2026-04-25
     Tokens mới từ Maison Luxe Design System Foundation.
     KHÔNG ghi đè token v1 cũ (giữ ở khối "LAYOUT TOKENS" và
     "v1 COMPAT" bên dưới để feature code chưa migrate vẫn chạy).
     ═══════════════════════════════════════════════════════════ */

  /* ─── Layout (Phase 1 debt — finally merged) ─── */
  --layout-sidebar-width:           252px;
  --layout-sidebar-collapsed:       76px;
  --layout-topbar-height:           64px;
  --layout-page-padding-x:          32px;
  --layout-page-padding-y:          24px;
  --layout-content-max:             1440px;
  --layout-section-gap:             24px;
  --layout-card-gap:                16px;

  /* ─── Z-index scale (single source of truth) ─── */
  --z-base:        0;
  --z-raised:      1;       /* hover, focus */
  --z-dropdown:    1000;    /* select, autocomplete */
  --z-sticky:      1020;    /* sticky header trong table */
  --z-banner:      1030;    /* announcement bar */
  --z-overlay:     1040;    /* modal backdrop */
  --z-modal:       1050;    /* modal/drawer */
  --z-popover:     1060;    /* tooltip-like nhưng tương tác */
  --z-tooltip:     1070;    /* simple tooltip */
  --z-toast:       1080;    /* toast/notification */
  --z-debug:       9999;    /* dev overlay */

  /* ─── Control heights — extended ─── */
  --input-height-sm:    32px;
  --input-height-md:    40px;   /* alias = --control-md */
  --input-height-lg:    48px;
  --row-height-compact: 38px;
  --row-height-normal:  48px;
  --row-height-relaxed: 58px;
  --row-height-card:    76px;   /* Customer List variant A */

  /* ─── Avatar sizes (consistent across modules) ─── */
  --avatar-xs:  24px;   /* inline mention, table dense */
  --avatar-sm:  32px;   /* dropdown, list */
  --avatar-md:  40px;   /* default — TopBar, comment */
  --avatar-lg:  48px;   /* table row, card header */
  --avatar-xl:  64px;   /* customer detail header */
  --avatar-2xl: 96px;   /* profile page hero */

  /* ─── Icon button sizes ─── */
  --icon-btn-xs: 24px;   /* inline action */
  --icon-btn-sm: 28px;   /* row hover action */
  --icon-btn-md: 36px;   /* topbar action */
  --icon-btn-lg: 44px;   /* mobile touch target */

  /* ─── Border widths ─── */
  --border-width-hairline: 0.5px;
  --border-width-thin:     1px;
  --border-width-medium:   2px;
  --border-width-thick:    3px;
  --rail-active:           3px;     /* selected row indicator */

  /* ─── Container widths (modal/drawer/dialog) ─── */
  --container-xs: 360px;   /* confirm dialog */
  --container-sm: 480px;   /* form modal, default drawer */
  --container-md: 640px;   /* detail drawer */
  --container-lg: 880px;   /* split editor */
  --container-xl: 1200px;  /* full editor */

  --drawer-width-default: 480px;
  --drawer-width-wide:    640px;
  --drawer-width-full:    880px;

  /* ─── Skeleton / loading ─── */
  --skeleton-base:    var(--bg-muted);
  --skeleton-shimmer: linear-gradient(90deg,
                        transparent 0%,
                        rgba(0, 33, 27, 0.04) 50%,
                        transparent 100%);
  --skeleton-radius:  6px;
  --skeleton-duration: 1.4s;

  /* ═══════════════════════════════════════════════════════════
     LAYOUT TOKENS — AppLayout structure (single source of truth)
     Used by Sidebar, TopBar, AppLayout container, all page templates.
     ═══════════════════════════════════════════════════════════ */
  --layout-sidebar-w:           252px;
  --layout-sidebar-w-collapsed: 76px;
  --layout-topbar-h:            68px;

  --layout-page-pad-x:  32px;
  --layout-page-pad-y:  28px;
  --layout-page-max-w:  none;
  --layout-section-gap: 24px;
  --layout-card-radius: 14px;
  --layout-card-pad:    24px;

  /* Drawer / Modal sizing */
  --layout-drawer-w: 420px;
  --layout-modal-w:  480px;

  /* Z-index scale (overlay layer) */
  --z-sidebar: 30;
  --z-topbar:  20;
  --z-drawer:  40;
  --z-modal:   50;
  --z-toast:   60;
  --z-tooltip: 70;

  /* ─── Gradients ─── */
  --gradient-hero:       linear-gradient(135deg, #00382F 0%, #00211B 100%);
  --gradient-hero-gold:  linear-gradient(135deg, #00382F 0%, #065A47 60%, #D4AF37 180%);
  --gradient-gold:       linear-gradient(135deg, #F0CB4E 0%, #D4AF37 50%, #B89530 100%);
  --gradient-sheen:      linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  --gradient-sidebar:    linear-gradient(180deg, #EEF7F3 0%, #FFFFFF 80%);
  --gradient-surface:    linear-gradient(180deg, #FFFFFF 0%, #FAFCF8 100%);

  /* ─── Overlays ─── */
  --overlay-mask: rgba(0, 33, 27, 0.42);
  --overlay-light: rgba(249, 250, 246, 0.72);

  /* ─── Icon backgrounds (soft pastilles) ─── */
  --icon-bg-primary: rgba(0, 56, 47, 0.08);
  --icon-bg-gold:    rgba(212, 175, 55, 0.12);
  --icon-bg-success: rgba(5, 150, 105, 0.10);
  --icon-bg-warning: rgba(217, 119, 6, 0.10);
  --icon-bg-error:   rgba(220, 38, 38, 0.10);
  --icon-bg-info:    rgba(2, 132, 199, 0.10);
  --icon-bg-neutral: rgba(67, 79, 65, 0.07);

  /* ═════════════════════════════════════════════════════════
     v1 COMPAT — aliases giữ lại cho feature code chưa migrate.
     KHÔNG xóa trong PR thay đổi token layer. Remove dần qua PR
     riêng khi migrate feature sang token mới.
     ═════════════════════════════════════════════════════════ */

  /* Shadows — pixel-perfect v1 values để tránh visual shift ở
     11 card + 7 hover + 2 floating surface đang dùng */
  --shadow-soft:         var(--shadow-md);                        /* v2 shadow-md == v1 shadow-soft exact match */
  --shadow-floating:     0 12px 40px rgba(0, 33, 27, 0.08);       /* hardcode v1 — var(--shadow-lg) là 0.09 drift, và consumer gồm global AntD dropdown rules */
  --shadow-card-hover:   0 8px 32px rgba(0, 33, 27, 0.08);        /* hardcode v1 — v2 không có equivalent */

  /* Focus ring — hardcode v1 opacity 0.25 (v2 shadow-focus dùng 0.22) */
  --focus-ring:          0 0 0 3px rgba(212, 175, 55, 0.25);

  /* Transitions — hardcode v1 values (v2 duration-fast=120ms ≠ v1 150ms) */
  --transition-default:  0.2s cubic-bezier(0.23, 1, 0.32, 1);
  --transition-fast:     0.15s ease;

  /* Gold accent — ĐÂY LÀ DEVIATION CHỦ ĐÍCH (spec §6.1 số 3).
     CSS var trỏ v2 gold[700] để nhất quán với TS designTokens.colors.goldText.
     2 consumer CSS: ActivityCard.css, customer-change-history.css. */
  --accent-gold-text:    var(--gold-700);
  --accent-gold-bg:      rgba(212, 175, 55, 0.08);

  /* Gradient aliases */
  --gradient-hero-wallet: var(--gradient-hero);
  --gradient-avatar-ring: linear-gradient(135deg, #00382f 0%, #3DAA88 100%);

  /* RFM module tokens */
  --rfm-heatmap-base:    0, 56, 47;
  --rfm-heatmap-empty:   var(--bg-muted);
  --rfm-velocity-up:     var(--state-success);
  --rfm-velocity-down:   var(--state-error);
  --rfm-velocity-flat:   var(--text-tertiary);
}

/* ═════════════════════════════════════════════════════════
   DARK MODE — [data-theme="dark"]
   Tuned for OLED & low-light salon evenings.
   Base = Onyx #0D1412 (not pure black), Surface = #152220.
   ═════════════════════════════════════════════════════════ */
[data-theme="dark"] {
  --bg-canvas:   #0D1412;
  --bg-surface:  #152220;
  --bg-elevated: #1C2B27;
  --bg-muted:    #243531;
  --bg-subtle:   #1A2824;
  --bg-inverse:  var(--neutral-50);
  --shell-sidebar-bg: linear-gradient(180deg, #0F1E1A 0%, #0A1613 60%, #06100E 100%);
  --shell-sidebar-solid: #0A1613;
  --shell-topbar-bg: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-surface) 100%);

  --text-primary:   #F1F5EE;
  --text-secondary: #B8C2B4;
  --text-tertiary:  #808A7C;
  --text-disabled:  #5F6B5C;
  --text-inverse:   var(--emerald-900);
  --text-brand:     #3DAA88;
  --text-gold:      #F0CB4E;

  --border-default: rgba(255, 255, 255, 0.10);
  --border-strong:  rgba(255, 255, 255, 0.18);
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-ghost:   rgba(255, 255, 255, 0.08);
  --border-ghost-hover: rgba(255, 255, 255, 0.14);
  --border-focus:   var(--gold-400);

  --action-primary:        #3DAA88;
  --action-primary-hover:  #72C4A7;
  --action-primary-active: #1D8E6F;
  --action-primary-soft:   rgba(61, 170, 136, 0.14);
  --action-primary-soft-strong: rgba(61, 170, 136, 0.28);

  --action-gold:       var(--gold-300);
  --action-gold-hover: var(--gold-200);
  --action-gold-soft:  rgba(240, 203, 78, 0.14);

  --state-success-bg: rgba(16, 185, 129, 0.18);
  --state-warning-bg: rgba(245, 158, 11, 0.18);
  --state-error-bg:   rgba(239, 68, 68, 0.18);
  --state-info-bg:    rgba(14, 165, 233, 0.18);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.40);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.50);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.60);
  --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.30);
  --shadow-focus: 0 0 0 3px rgba(240, 203, 78, 0.35);

  --gradient-hero:      linear-gradient(135deg, #1C2B27 0%, #0D1412 100%);
  --gradient-hero-gold: linear-gradient(135deg, #152220 0%, #065A47 60%, #D4AF37 180%);
  --gradient-sidebar:   linear-gradient(180deg, #152220 0%, #0D1412 80%);
  --gradient-surface:   linear-gradient(180deg, #1C2B27 0%, #152220 100%);

  --overlay-mask:  rgba(0, 0, 0, 0.65);
  --overlay-light: rgba(13, 20, 18, 0.72);

  --icon-bg-primary: rgba(61, 170, 136, 0.14);
  --icon-bg-gold:    rgba(240, 203, 78, 0.16);
  --icon-bg-success: rgba(16, 185, 129, 0.15);
  --icon-bg-warning: rgba(245, 158, 11, 0.15);
  --icon-bg-error:   rgba(239, 68, 68, 0.15);
  --icon-bg-info:    rgba(14, 165, 233, 0.15);
  --icon-bg-neutral: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] ::selection {
  background: rgba(240, 203, 78, 0.32);
  color: #F1F5EE;
}

/* ═════════════════════════════════════════════════════════
   DENSITY SYSTEM — [data-density="compact|comfortable|spacious"]
   --density-scale multiplies spacing + control heights.
   Apply to components via calc(var(--space-X) * var(--density-scale))
   ═════════════════════════════════════════════════════════ */
:root,
[data-density="comfortable"] { --density-scale: 1; --density-control: 40px; --density-row: 48px; --density-pad: 16px; --density-gap: 16px; --density-font: 14px; }
[data-density="compact"]     { --density-scale: 0.82; --density-control: 32px; --density-row: 38px; --density-pad: 10px; --density-gap: 10px; --density-font: 13px; }
[data-density="spacious"]    { --density-scale: 1.18; --density-control: 48px; --density-row: 58px; --density-pad: 22px; --density-gap: 22px; --density-font: 15px; }

/* Apply density to common AntD-style surfaces + mock components */
[data-density] table td,
[data-density] table th { padding-top: calc(var(--density-pad) * 0.9) !important; padding-bottom: calc(var(--density-pad) * 0.9) !important; }
/* buttons use inline style */
[data-density] input,
[data-density] .ds-input-shell { height: var(--density-control); }
[data-density] body { font-size: var(--density-font); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ═════════════════════════════════════════════════════════
   A11Y BASELINE — focus-visible baseline (Tier 1, 2026-04-25)
   Dùng :where() → specificity 0 để page/component rule hơn.
   Pattern: suppress :focus (mouse click) default outline,
   hiện gold outline chỉ khi :focus-visible (keyboard tab).
   ═════════════════════════════════════════════════════════ */

:where(:focus:not(:focus-visible)) {
  outline: none;
}

:where(:focus-visible) {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

/* AntD form controls có box-shadow focus ring sẵn (--focus-ring).
   Outline outset stack với shadow inset, double ring là intentional
   brand signature. Component muốn outline riêng chỉ cần selector
   cụ thể hơn :where() sẽ override. */

/* ─── Base element styles ─── */
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

*, *::before, *::after { box-sizing: border-box; }

::selection {
  background: rgba(212, 175, 55, 0.28);
  color: var(--text-primary);
}

/* Utility classes used across showcase */
.ds-display { font-family: var(--font-sans); font-weight: 700; letter-spacing: var(--tracking-tight); }
.ds-sans    { font-family: var(--font-sans); }
.ds-mono    { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.ds-tabular { font-variant-numeric: tabular-nums; }

/* ═════════════════════════════════════════════════════════
   ANT DESIGN INTEGRATION — preserves v1 "ghost border" style
   Keep these rules AT THE END so they override AntD defaults.
   ═════════════════════════════════════════════════════════ */

:where(h1, h2) {
  font-family: var(--font-display);
  font-weight: 700;
}

:where(.lucide) { vertical-align: -0.125em; margin-right: 6px; }
:where(.ant-btn-icon-only .lucide, .lucide:only-child) { margin-right: 0; }

:where(a, button, [role="button"], .ant-btn, .ant-input, .ant-input-affix-wrapper, .ant-select-selector, .ant-picker, .ant-dropdown-menu-item, .ant-select-item) {
  transition: background-color 0.18s ease,
              color 0.18s ease,
              border-color 0.18s ease,
              box-shadow 0.18s ease;
}

/* Ghost borders — form controls use subtle borders, "felt not seen" */
:where(.ant-input, .ant-input-affix-wrapper, .ant-select-selector, .ant-picker, .ant-input-number) {
  border-color: var(--border-ghost);
}
:where(.ant-btn-default) { border-color: var(--border-default); }

:where(.ant-input:hover, .ant-input-affix-wrapper:hover, .ant-select-selector:hover, .ant-picker:hover, .ant-input-number:hover) {
  border-color: var(--border-ghost-hover);
}

/* Focus: emerald border + Liquid Gold aura */
:where(.ant-input:focus, .ant-input-affix-wrapper-focused, .ant-select-focused .ant-select-selector, .ant-picker-focused, .ant-input-number-focused) {
  border-color: var(--action-primary);
  box-shadow: var(--focus-ring);
}

/* No-Line Rule: floating panes use shadow only, no border */
:where(.ant-select-dropdown, .ant-picker-dropdown .ant-picker-panel-container, .ant-dropdown-menu, .ant-popover-inner) {
  background: var(--bg-surface);
  border: none;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}
.ant-select-dropdown, .ant-dropdown-menu { padding: 6px; }
.ant-select-item, .ant-dropdown-menu-item {
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
}
.ant-select-item-option-active:not(.ant-select-item-option-disabled),
.ant-dropdown-menu-item:hover {
  background: rgba(0, 56, 47, 0.04) !important;
}
.ant-dropdown-menu-item-danger:hover {
  background: var(--state-error-bg) !important;
  color: var(--state-error) !important;
}
.ant-dropdown-menu-item-selected,
.ant-select-item-option-selected:not(.ant-select-item-option-disabled) {
  background: var(--action-primary-soft) !important;
  color: var(--action-primary) !important;
  font-weight: 600;
}
.ant-select-item-option-selected.ant-select-item-option-active:not(.ant-select-item-option-disabled) {
  background: rgba(0, 56, 47, 0.10) !important;
}

/* Clear buttons — icon size only */
.ant-select-clear .anticon, .ant-picker-clear .anticon { font-size: 14px; transform: scale(1.3); }
.ant-select-clear:hover, .ant-picker-clear:hover { opacity: 1; }

/* Cards — ghost border + soft shadow */
.ant-card {
  border-color: var(--border-ghost);
  box-shadow: var(--shadow-soft);
}

/* Tags — pill-like, state-colored */
.ant-tag {
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  padding: 4px 10px;
}
.ant-tag-success, .ant-tag-green { background: var(--state-success-bg); color: var(--state-success); }
.ant-tag-warning, .ant-tag-orange { background: var(--state-warning-bg); color: var(--state-warning); }
.ant-tag-error, .ant-tag-red { background: var(--state-error-bg); color: var(--state-error); }
.ant-tag-processing, .ant-tag-blue { background: var(--state-info-bg); color: var(--state-info); }
.ant-tag-default { background: var(--bg-muted); color: var(--text-secondary); }

/* Table headers — standardized (migrated from index.css) */
.ant-table-thead > tr > th {
  font-weight: 600 !important;
  background: var(--bg-muted) !important;
  color: var(--text-secondary) !important;
}

/* Inherit Inter across AntD components */
.ant-table, .ant-btn, .ant-input, .ant-select, .ant-modal, .ant-typography {
  font-family: var(--font-sans) !important;
}

/* ═══════════════════════════════════════════════════════════════════
   Skeleton shimmer — Design System Tier 1 (added 2026-04-25)
   ═══════════════════════════════════════════════════════════════════ */

@keyframes skeleton-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.ds-skeleton {
  background: var(--skeleton-base);
  background-image: var(--skeleton-shimmer);
  background-size: 200% 100%;
  border-radius: var(--skeleton-radius);
  animation: skeleton-shimmer var(--skeleton-duration) ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .ds-skeleton { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   Motion utilities — Design System Tier 1 (added 2026-04-25)
   Reusable entrance/state classes. Single source for fade/scale logic
   để feature CSS không phải tự định nghĩa lại keyframes.
   ═══════════════════════════════════════════════════════════════════ */

@keyframes ds-skeleton-pulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.9; }
}

@keyframes ds-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes ds-enter {
  from {
    opacity: 0;
    transform: scale(0.985);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

.ds-skeleton-pulse {
  background: var(--bg-muted);
  animation: ds-skeleton-pulse var(--dur-shimmer) ease-in-out infinite;
}

.ds-page--loaded {
  animation: ds-fade-in var(--dur-fade) ease-out;
}

.ds-enter {
  animation: ds-enter var(--dur-enter) var(--ease-enter) both;
  will-change: transform, opacity, filter;
}

.ds-enter-child {
  animation: ds-fade-in var(--dur-content) var(--ease-enter) both;
}
.ds-enter-child[data-stagger="1"] { animation-delay: var(--stagger-1); }
.ds-enter-child[data-stagger="2"] { animation-delay: var(--stagger-2); }
.ds-enter-child[data-stagger="3"] { animation-delay: var(--stagger-3); }

.ds-hover-lift {
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background-color 140ms ease;
}
.ds-hover-lift:hover {
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(0, 56, 47, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  .ds-skeleton-pulse,
  .ds-page--loaded,
  .ds-enter,
  .ds-enter-child {
    animation: none;
  }
  .ds-hover-lift {
    transition: none;
  }
  .ds-hover-lift:hover {
    transform: none;
    box-shadow: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   Modern CSS patterns — Design System Tier 1 (added 2026-04-25)
   Browser support: Chrome 105+, Safari 16+, Firefox 121+ (:has()).
   Progressive enhancement: thiếu support → utility không kích hoạt,
   base styles vẫn render bình thường.
   ═══════════════════════════════════════════════════════════════════ */

/* Container query host — opt-in để con bên trong dùng @container */
.ds-cq {
  container-type: inline-size;
}

/* Selectable row — parent react khi child checkbox checked, no JS */
.ds-selectable {
  transition:
    background-color 140ms ease,
    box-shadow 140ms ease;
}
.ds-selectable:has(input[type="checkbox"]:checked) {
  background: var(--emerald-50);
  box-shadow: inset var(--rail-active) 0 0 var(--action-primary);
}

/* Form guard — disable submit khi form có input :user-invalid.
   :user-invalid chỉ match SAU khi user tương tác (blur / submit),
   không match ngay khi user đang gõ → UX đúng hơn :invalid.
   Browser: Chrome 119+, Safari 16.5+, Firefox 119+. */
.ds-form-guard:has(input:user-invalid)
  :is(button[type="submit"], [data-primary-action]) {
  opacity: 0.5;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════════
   View Transitions — Design System Tier 1 (added 2026-04-25)
   Chỉ là CSS tokens + utility. Cần trigger JS phía app:
     document.startViewTransition(() => navigate(path))
   hoặc <Link viewTransition> (React Router v7+).
   Browser: Chrome 111+, Safari 18+. Firefox fallback = instant swap.
   ═══════════════════════════════════════════════════════════════════ */

/* Root fade — áp cho toàn trang khi không có shared element morph */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: var(--vt-dur-fade);
  animation-timing-function: var(--vt-ease);
}

/* Shared element morph — avatar/title/thumbnail di chuyển giữa 2 trang */
::view-transition-group(*) {
  animation-duration: var(--vt-dur-morph);
  animation-timing-function: var(--vt-ease);
}

/* Utility — element này trở thành morph target.
   Dùng: <div className="ds-vt-morph" style={{ '--vt-name': `customer-${id}` }} />
   Element cùng --vt-name trên trang đích sẽ morph liền mạch. */
.ds-vt-morph {
  view-transition-name: var(--vt-name, none);
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 0.01ms;
  }
}

.salon-landing {
  color: var(--text-primary);
  background: var(--bg-surface);
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}
.salon-landing a {
  color: inherit;
  text-decoration: none;
}
.salon-landing a:hover {
  text-decoration: underline;
  text-underline-offset: var(--space-1);
}
.salon-landing a:focus-visible,
.salon-landing summary:focus-visible {
  outline: var(--space-0-5) solid var(--border-focus);
  outline-offset: var(--space-1);
}
.salon-landing h1,
.salon-landing h2,
.salon-landing h3,
.salon-landing p,
.salon-landing figure {
  margin: 0;
}
.salon-landing h1,
.salon-landing h2,
.salon-landing h3 {
  color: inherit;
  font-weight: 600;
}
.salon-landing h2 {
  font-size: var(--text-5xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}
.salon-landing h3 {
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
}
.salon-landing p {
  color: var(--text-secondary);
}
.salon-landing__container {
  width: min(calc(100% - var(--space-12)), 1200px);
  margin-inline: auto;
}
.salon-landing__skip {
  position: absolute;
  left: var(--space-6);
  top: var(--space-4);
  transform: translateY(-200%);
}
.salon-landing__skip:focus {
  transform: none;
  background: var(--bg-surface);
  z-index: var(--z-dropdown);
  padding: var(--space-3);
}
.salon-landing__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-5);
}
.salon-landing__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: var(--leading-snug);
}
.salon-landing__brand-icon {
  display: grid;
  place-items: center;
  padding: var(--space-2);
  color: var(--text-inverse);
  background: var(--action-primary);
  border-radius: var(--radius-md);
}
.salon-landing__brand small {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 400;
}
.salon-landing__header nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-md);
}
.salon-landing__login {
  padding: var(--space-2) var(--space-4);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-pill);
}
.salon-landing__hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: var(--space-10);
  padding-block: var(--space-16);
}
.salon-landing__hero-copy {
  min-width: 0;
}
.salon-landing__audience {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--emerald-50);
  color: var(--text-brand) !important;
  font-size: var(--text-md);
  margin-bottom: var(--space-5) !important;
}
.salon-landing h1 {
  font-size: var(--text-6xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  max-width: 20ch;
}
.salon-landing__intro {
  font-size: var(--text-xl);
  margin-top: var(--space-6) !important;
  max-width: 48ch;
}
.salon-landing__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.salon-landing__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--action-primary);
  color: var(--text-inverse) !important;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: var(--text-lg);
}
.salon-landing__button:hover {
  background: var(--action-primary-hover);
  text-decoration: none !important;
}
.salon-landing__text-link {
  text-decoration: underline !important;
  text-underline-offset: var(--space-1);
  font-size: var(--text-md);
  font-weight: 500;
}
.salon-landing__action-note {
  font-size: var(--text-sm);
  margin-top: var(--space-4) !important;
}
.salon-landing__hero-image {
  min-width: 0;
  padding: var(--space-6);
  background: var(--emerald-50);
  border-radius: var(--radius-xl);
}
.salon-landing__product-window {
  overflow: hidden;
  background: var(--bg-surface);
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.salon-landing__window-heading {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  border-bottom: var(--space-px) solid var(--border-default);
}
.salon-landing__window-heading span:first-child {
  font-weight: 600;
}
.salon-landing__hero-image img {
  display: block;
  width: 100%;
  height: auto;
}
.salon-landing__hero-image figcaption,
.salon-landing__caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.salon-landing__modules {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: var(--space-px) solid var(--border-default);
  padding-block: var(--space-6);
}
.salon-landing__modules a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding-inline: var(--space-3);
  font-size: var(--text-md);
  font-weight: 500;
}
.salon-landing__modules svg {
  flex-shrink: 0;
  color: var(--text-brand);
}
.salon-landing__problem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  padding-block: var(--space-16);
  align-items: start;
}
.salon-landing__problem h2 {
  font-size: var(--text-4xl);
  max-width: 24ch;
}
.salon-landing__problem p + p {
  margin-top: var(--space-4);
}
.salon-landing__features {
  padding-bottom: var(--space-16);
  scroll-margin-top: var(--space-6);
}
.salon-landing__section-heading {
  max-width: 56ch;
}
.salon-landing__section-heading p {
  margin-top: var(--space-3);
  font-size: var(--text-xl);
}
.salon-landing__feature-list {
  margin-top: var(--space-10);
}
.salon-landing__feature {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: var(--space-16);
  padding-block: var(--space-10);
  border-top: var(--space-px) solid var(--border-default);
  scroll-margin-top: var(--space-6);
}
.salon-landing__feature:nth-child(even) {
  grid-template-columns: 1.2fr 0.8fr;
}
.salon-landing__feature:nth-child(even) .salon-landing__feature-copy {
  order: 2;
}
.salon-landing__feature-copy svg {
  color: var(--text-brand);
  margin-bottom: var(--space-4);
}
.salon-landing__feature-copy p {
  margin-block: var(--space-4) var(--space-5);
  max-width: 40ch;
}
.salon-landing__feature img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--space-px) solid var(--border-default);
  border-radius: var(--radius-md);
}
.salon-landing__workflow {
  padding-block: var(--space-16);
  background: var(--bg-canvas);
  scroll-margin-top: var(--space-6);
}
.salon-landing__workflow ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-10);
  counter-reset: workflow;
  list-style: none;
  padding: 0;
  margin: var(--space-10) 0 0;
}
.salon-landing__workflow li {
  counter-increment: workflow;
  border-top: var(--space-px) solid var(--border-default);
  padding-top: var(--space-6);
}
.salon-landing__workflow li::before {
  content: counter(workflow);
  display: grid;
  place-items: center;
  width: var(--space-10);
  height: var(--space-10);
  margin-bottom: var(--space-5);
  background: var(--emerald-100);
  color: var(--text-brand);
  border-radius: var(--radius-pill);
  font-weight: 600;
}
.salon-landing__workflow h3 {
  font-size: var(--text-2xl);
}
.salon-landing__workflow li p {
  margin-top: var(--space-3);
}
.salon-landing__about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  padding-block: var(--space-16);
  scroll-margin-top: var(--space-6);
}
.salon-landing__about p {
  margin-block: var(--space-4);
  max-width: 60ch;
}
.salon-landing__english {
  align-self: center;
  padding: var(--space-8);
  background: var(--emerald-50);
  border-radius: var(--radius-lg);
}
.salon-landing__english h3 {
  font-size: var(--text-2xl);
}
.salon-landing__english a {
  text-decoration: underline;
  text-underline-offset: var(--space-1);
}
.salon-landing__faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-16);
  border-top: var(--space-px) solid var(--border-default);
  padding-block: var(--space-12);
}
.salon-landing__faq details {
  border-bottom: var(--space-px) solid var(--border-default);
  padding-block: var(--space-5);
}
.salon-landing__faq details:first-child {
  padding-top: 0;
}
.salon-landing__faq summary {
  cursor: pointer;
  font-weight: 500;
}
.salon-landing__faq p {
  padding-top: var(--space-4);
}
.salon-landing__demo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-10);
  margin-block: var(--space-6) var(--space-12);
  background: var(--emerald-800);
  color: var(--text-inverse);
  border-radius: var(--radius-xl);
}
.salon-landing__demo h2 {
  font-size: var(--text-4xl);
  max-width: 32ch;
}
.salon-landing__demo p {
  margin-top: var(--space-4);
  max-width: 58ch;
  color: var(--emerald-100);
}
.salon-landing__demo .salon-landing__button {
  flex-shrink: 0;
  background: var(--gold-100);
  color: var(--emerald-900) !important;
}
.salon-landing__demo .salon-landing__button:hover {
  background: var(--gold-200);
}
.salon-landing__privacy {
  padding-bottom: var(--space-8);
  font-size: var(--text-md);
}
.salon-landing__privacy details {
  scroll-margin-top: var(--space-6);
}
.salon-landing__privacy summary {
  cursor: pointer;
  width: fit-content;
}
.salon-landing__privacy p {
  margin-top: var(--space-3);
  max-width: 80ch;
}
.salon-landing__privacy a {
  text-decoration: underline;
}
.salon-landing__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  border-top: var(--space-px) solid var(--border-default);
  color: var(--text-secondary);
  font-size: var(--text-md);
}
.salon-landing__footer small {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
}
.salon-landing__footer div {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}
@media (max-width: 1000px) {
  .salon-landing__hero {
    grid-template-columns: 1fr;
    padding-block: var(--space-12);
    gap: var(--space-8);
  }
  .salon-landing h1 {
    max-width: 25ch;
  }
  .salon-landing__intro {
    max-width: 60ch;
  }
  .salon-landing__header nav {
    gap: var(--space-4);
  }
  .salon-landing__problem,
  .salon-landing__about,
  .salon-landing__faq {
    gap: var(--space-8);
  }
  .salon-landing__feature {
    gap: var(--space-8);
  }
  .salon-landing__demo {
    align-items: start;
    flex-direction: column;
  }
}
@media (max-width: 700px) {
  .salon-landing__container {
    width: calc(100% - var(--space-8));
  }
  .salon-landing__header {
    gap: var(--space-3);
    padding-block: var(--space-4);
  }
  .salon-landing__header nav a:not(.salon-landing__login) {
    display: none;
  }
  .salon-landing__brand {
    font-size: var(--text-lg);
    gap: var(--space-2);
  }
  .salon-landing__brand small {
    font-size: var(--text-xs);
  }
  .salon-landing__brand-icon {
    padding: var(--space-1);
  }
  .salon-landing h1 {
    font-size: var(--text-5xl);
  }
  .salon-landing h2 {
    font-size: var(--text-4xl);
  }
  .salon-landing__hero-image {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }
  .salon-landing__modules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5) var(--space-3);
  }
  .salon-landing__modules a {
    justify-content: start;
    padding: 0;
    font-size: var(--text-sm);
    gap: var(--space-2);
  }
  .salon-landing__problem,
  .salon-landing__about,
  .salon-landing__faq,
  .salon-landing__feature,
  .salon-landing__feature:nth-child(even),
  .salon-landing__workflow ol {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .salon-landing__feature:nth-child(even) .salon-landing__feature-copy {
    order: 0;
  }
  .salon-landing__problem,
  .salon-landing__about,
  .salon-landing__workflow {
    padding-block: var(--space-12);
  }
  .salon-landing__features {
    padding-bottom: var(--space-12);
  }
  .salon-landing__feature {
    padding-block: var(--space-8);
  }
  .salon-landing__english {
    padding: var(--space-6);
  }
  .salon-landing__demo {
    padding: var(--space-6);
  }
  .salon-landing__demo h2 {
    font-size: var(--text-3xl);
  }
  .salon-landing__footer div {
    gap: var(--space-4);
  }
}