/* ==========================================================================
   DOA IBU Design System — v1  ("Apple Stocks × iOS 26 × Luxury Finance")
   --------------------------------------------------------------------------
   ADITIF: file ini hanya berisi
     1) design token (CSS custom property) di :root / body.light
     2) komponen ber-prefix .ds-*
   Tidak ada selector global (button, input, body, *, .glass, dll.), jadi
   memuat file ini TIDAK mengubah tampilan halaman yang sudah ada.
   Halaman lama baru berubah ketika markup-nya diberi kelas .ds-* (tahap berikutnya).

   Isi:
     1. Tokens (dark = default, light = body.light atau [data-ds-theme="light"])
     2. Typography
     3. Glass surface & card
     4. Button
     5. Input / select / textarea / field
     6. Badge
     7. Icon
     8. Fallback & aksesibilitas (reduced motion / transparency / contrast)
   ========================================================================== */


/* ==========================================================================
   1. TOKENS
   ========================================================================== */
:root,
[data-ds-theme="dark"] {
  /* ---- Warna dasar: graphite (netral hangat-dingin, bukan hitam murni) ---- */
  --bg:                #0E0F11;                  /* background */
  --bg-raised:         #17181B;                  /* panel solid (fallback tanpa blur) */
  --surface:           rgba(255, 255, 255, .040);/* surface */
  --surface-elevated:  rgba(255, 255, 255, .070);/* elevated surface */
  --surface-pressed:   rgba(255, 255, 255, .100);
  --border:            rgba(255, 255, 255, .080);
  --border-strong:     rgba(255, 255, 255, .160);

  /* ---- Teks (putih hangat-netral, 3 tingkat) ---- */
  --text-primary:      rgba(255, 255, 255, .94);
  --text-secondary:    rgba(235, 235, 245, .62);
  --text-tertiary:     rgba(235, 235, 245, .40); /* placeholder / disabled / dekorasi. BUKAN untuk teks penting */

  /* ---- Aksen emas: sangat terbatas (tombol utama, indikator aktif, fokus) ---- */
  --accent:            #C8A96A;                  /* champagne gold, tidak jenuh */
  --accent-hover:      #D4B87F;
  --accent-pressed:    #B09357;
  --accent-text:       #C8A96A;
  --accent-soft:       rgba(200, 169, 106, .10);
  --accent-border:     rgba(200, 169, 106, .26);
  --on-accent:         #17120A;                  /* teks di atas isi emas */

  /* ---- Semantik (success / danger; info & warning tetap) ---- */
  --positive:          #2dd4bf;
  --positive-soft:     rgba(45, 212, 191, .13);
  --positive-border:   rgba(45, 212, 191, .28);
  --negative:          #ff7a68;
  --negative-soft:     rgba(255, 122, 104, .13);
  --negative-border:   rgba(255, 122, 104, .30);
  --success:           var(--positive);          /* alias */
  --success-soft:      var(--positive-soft);
  --success-border:    var(--positive-border);
  --danger:            var(--negative);          /* alias */
  --danger-soft:       var(--negative-soft);
  --danger-border:     var(--negative-border);
  --info:              #64A8FF;
  --info-soft:         rgba(100, 168, 255, .14);
  --info-border:       rgba(100, 168, 255, .30);
  --warning:           #FF9F0A;
  --warning-soft:      rgba(255, 159, 10, .14);
  --warning-border:    rgba(255, 159, 10, .30);

  /* ---- Material kaca ---- */
  --glass-blur:        24px;
  --glass-saturate:    160%;
  --glass-highlight:   inset 0 1px 0 rgba(255, 255, 255, .05);   /* pantulan tepi atas */

  /* ---- Bayangan ---- */
  --shadow-1:          0 1px 2px rgba(0, 0, 0, .40);
  --shadow-2:          0 10px 28px -10px rgba(0, 0, 0, .60);
  --shadow-3:          0 28px 64px -18px rgba(0, 0, 0, .75);
  --focus-ring:        0 0 0 2px var(--bg), 0 0 0 4px var(--accent);   /* satu-satunya fokus beremas */

  /* ---- Tipografi: Apple-first, skala mengikuti iOS Dynamic Type ---- */
  --font-sans:         -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", system-ui, sans-serif;
  --font-display:      -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", system-ui, sans-serif;   /* ≥ 20px */
  --font-text:         -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", system-ui, sans-serif;      /* < 20px */
  --font-mono:         ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  /* Ukuran (padanan iOS) */
  --fs-hero:           clamp(30px, 5vw, 34px);   /* Large Title 34 */
  --fs-section:        clamp(20px, 2.6vw, 22px); /* Title 2 22 */
  --fs-card:           17px;                     /* Headline 17 */
  --fs-body:           15px;                     /* Subheadline 15 */
  --fs-button:         15px;
  --fs-label:          13px;                     /* Footnote 13 */
  --fs-caption:        12px;                     /* Caption 1 12 */

  --fw-regular:        400;
  --fw-medium:         400;
  --fw-semibold:       700;
  --fw-bold:           700;                      /* batas atas. 800 tidak dipakai */

  --lh-tight:          1.15;
  --lh-snug:           1.3;
  --lh-body:           1.47;

  /* Tracking (SF: rapat di ukuran besar, longgar di ukuran kecil) */
  --ls-hero:           -.026em;
  --ls-section:        -.019em;
  --ls-card:           -.014em;
  --ls-body:           -.010em;
  --ls-button:         -.012em;
  --ls-label:          -.004em;
  --ls-caption:        .004em;
  --ls-overline:       .06em;
  --ls-num:            -.012em;

  /* ---- Radius (hanya skala ini) ---- */
  --radius-sm:         12px;
  --radius-md:         16px;
  --radius-lg:         20px;
  --radius-xl:         24px;
  --radius-2xl:        28px;
  --radius-pill:       999px;                    /* khusus badge / pill / FAB */

  /* ---- Spasi (grid 4px) ---- */
  --space-1: 4px;   --space-2: 8px;   --space-3: 12px;  --space-4: 16px;
  --space-5: 20px;  --space-6: 24px;  --space-8: 32px;  --space-10: 40px;

  /* ---- Gerak ---- */
  --dur-fast:          140ms;
  --dur:               220ms;
  --dur-slow:          320ms;
  --ease:              cubic-bezier(.25, .1, .25, 1);   /* kurva standar Apple */
  --transition:        var(--dur) var(--ease);          /* shorthand */

  /* ---- Layout halaman global ---- */
  --page-max:          1120px;                   /* lebar konten maksimum */
  --page-gutter:       20px;                     /* margin horizontal (mobile) */
  --page-pt:           28px;                     /* jarak atas konten dari header */
  --page-pb:           112px;                    /* jarak bawah (memberi ruang untuk FAB) */
  --section-gap:       40px;                     /* jarak antar section tingkat atas */

  /* ---- Skala z-index bernama (untuk tahap shell/modal) ---- */
  --z-base: 0;  --z-sticky: 20;  --z-header: 30;  --z-fab: 40;
  --z-overlay: 50;  --z-modal: 60;  --z-toast: 70;
}

/* ---- Mode terang: memakai mekanisme tema yang sudah ada (body.light) ---- */
body.light,
[data-ds-theme="light"] {
  --bg:                #F4F3EF;
  --bg-raised:         #FFFFFF;
  --surface:           rgba(255, 255, 255, .62);
  --surface-elevated:  rgba(255, 255, 255, .86);
  --surface-pressed:   rgba(0, 0, 0, .06);
  --border:            rgba(0, 0, 0, .08);
  --border-strong:     rgba(0, 0, 0, .18);

  --text-primary:      rgba(0, 0, 0, .90);
  --text-secondary:    rgba(0, 0, 0, .62);
  --text-tertiary:     rgba(0, 0, 0, .40);

  --accent:            #C9A45C;
  --accent-hover:      #BC9650;
  --accent-pressed:    #A98543;
  --accent-text:       #7E5F17;                  /* emas gelap agar kontras di atas bg terang */
  --accent-soft:       rgba(176, 138, 52, .14);
  --accent-border:     rgba(150, 112, 30, .34);
  --on-accent:         #17120A;

  --success:           var(--positive);
  --success-soft:      var(--positive-soft);
  --success-border:    var(--positive-border);
  --danger:            var(--negative);
  --danger-soft:       var(--negative-soft);
  --danger-border:     var(--negative-border);

  --positive:          #0f766e;
  --positive-soft:     rgba(15, 118, 110, .11);
  --positive-border:   rgba(15, 118, 110, .30);
  --negative:          #b83526;
  --negative-soft:     rgba(184,53,38, .09);
  --negative-border:   rgba(184,53,38, .30);
  --info:              #1D5FBF;
  --info-soft:         rgba(29, 95, 191, .10);
  --info-border:       rgba(29, 95, 191, .28);
  --warning:           #8F5400;
  --warning-soft:      rgba(143, 84, 0, .11);
  --warning-border:    rgba(143, 84, 0, .30);

  --glass-highlight:   inset 0 1px 0 rgba(255, 255, 255, .85);
  --shadow-1:          0 1px 2px rgba(60, 48, 20, .10);
  --shadow-2:          0 8px 24px -10px rgba(60, 48, 20, .22);
  --shadow-3:          0 24px 56px -18px rgba(60, 48, 20, .30);
}


/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */
.ds-hero,
.ds-section-title,
.ds-title,
.ds-body,
.ds-caption,
.ds-overline {
  font-family: var(--font-text);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
.ds-hero, .ds-section-title { font-family: var(--font-display); }

.ds-hero          { font-size: var(--fs-hero);    font-weight: var(--fw-bold);     line-height: var(--lh-tight); letter-spacing: var(--ls-hero); color: var(--text-primary); }
.ds-section-title { font-size: var(--fs-section); font-weight: var(--fw-semibold); line-height: var(--lh-snug);  letter-spacing: var(--ls-section); color: var(--text-primary); }
.ds-title         { font-size: var(--fs-card);    font-weight: var(--fw-semibold); line-height: var(--lh-snug);  letter-spacing: var(--ls-card); color: var(--text-primary); }
.ds-body          { font-size: var(--fs-body);    font-weight: var(--fw-regular);  line-height: var(--lh-body);  letter-spacing: var(--ls-body); color: var(--text-secondary); }
.ds-caption       { font-size: var(--fs-caption); font-weight: var(--fw-regular);  line-height: var(--lh-snug);  letter-spacing: var(--ls-caption); color: var(--text-secondary); }
.ds-overline      { font-size: var(--fs-caption); font-weight: var(--fw-semibold); line-height: 1.2; letter-spacing: var(--ls-overline); text-transform: uppercase; color: var(--text-secondary); }

/* angka keuangan: lebar digit sama agar kolom rapi */
.ds-num           { font-family: var(--font-display); font-variant-numeric: tabular-nums lining-nums; font-feature-settings: "tnum" 1, "lnum" 1; letter-spacing: var(--ls-num); }
.ds-num--hero     { font-size: var(--fs-hero); font-weight: var(--fw-bold); line-height: var(--lh-tight); letter-spacing: var(--ls-hero); color: var(--text-primary); }

.ds-text-primary   { color: var(--text-primary); }
.ds-text-secondary { color: var(--text-secondary); }
.ds-text-tertiary  { color: var(--text-tertiary); }
.ds-text-accent    { color: var(--accent-text); }
.ds-text-positive  { color: var(--positive); }
.ds-text-negative  { color: var(--negative); }


/* ==========================================================================
   3. GLASS SURFACE & CARD
   ========================================================================== */
.ds-surface {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-highlight), var(--shadow-2);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
          backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  color: var(--text-primary);
  font-family: var(--font-sans);
}

/* varian */
.ds-surface--elevated { background: var(--surface-elevated); box-shadow: var(--glass-highlight), var(--shadow-3); }
.ds-surface--flat     { box-shadow: var(--glass-highlight); }                       /* tanpa bayangan jatuh */
.ds-surface--solid    { background: var(--bg-raised); -webkit-backdrop-filter: none; backdrop-filter: none; }

/* radius */
.ds-r-sm  { border-radius: var(--radius-sm); }
.ds-r-md  { border-radius: var(--radius-md); }
.ds-r-lg  { border-radius: var(--radius-lg); }
.ds-r-xl  { border-radius: var(--radius-xl); }
.ds-r-2xl { border-radius: var(--radius-2xl); }

/* kartu = surface + padding */
.ds-card         { padding: var(--space-5); }
.ds-card--tight  { padding: var(--space-4); }
.ds-card--roomy  { padding: var(--space-6); }

/* permukaan yang bisa diklik / disorot: elevasi halus */
.ds-surface--interactive {
  cursor: pointer;
  transition: transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.ds-surface--interactive:hover {
  background: var(--surface-elevated);
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow: var(--glass-highlight), var(--shadow-3);
}
.ds-surface--interactive:active {
  background: var(--surface-pressed);
  transform: translateY(0) scale(.992);
  transition-duration: var(--dur-fast);
}
.ds-surface--interactive:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.ds-divider { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--border); }


/* ==========================================================================
   4. BUTTON
   Varian: --primary | --secondary | --ghost | --destructive
   Ukuran: --sm | (default md) | --lg     Bentuk: --icon, --block
   ========================================================================== */
.ds-btn {
  --_h: 44px;
  --_px: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-sizing: border-box;
  min-height: var(--_h);
  padding: 0 var(--_px);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-text);
  font-size: var(--fs-button);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: var(--ls-button);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur-fast) var(--ease);
}
.ds-btn:active:not(:disabled):not([aria-disabled="true"]) { transform: scale(.975); }
.ds-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ds-btn:disabled,
.ds-btn[aria-disabled="true"] { opacity: .42; cursor: not-allowed; }

/* ukuran */
.ds-btn--sm    { --_h: 36px; --_px: 14px; font-size: 14px; border-radius: var(--radius-sm); }
.ds-btn--lg    { --_h: 52px; --_px: 24px; font-size: var(--fs-card); border-radius: var(--radius-lg); }
.ds-btn--block { display: flex; width: 100%; }
.ds-btn--icon  { --_px: 0; width: var(--_h); padding: 0; border-radius: var(--radius-pill); }

/* primary — satu aksi utama per layar. Satu-satunya tombol berisi emas. */
.ds-btn--primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), var(--shadow-1);
}
.ds-btn--primary:hover:not(:disabled):not([aria-disabled="true"])  { background: var(--accent-hover); }
.ds-btn--primary:active:not(:disabled):not([aria-disabled="true"]) { background: var(--accent-pressed); }

/* secondary — kaca netral */
.ds-btn--secondary {
  background: var(--surface-elevated);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: var(--glass-highlight);
}
.ds-btn--secondary:hover:not(:disabled):not([aria-disabled="true"])  { background: var(--surface-pressed); border-color: var(--border-strong); }
.ds-btn--secondary:active:not(:disabled):not([aria-disabled="true"]) { background: var(--surface-pressed); }

/* ghost — tanpa wadah sampai di-hover */
.ds-btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.ds-btn--ghost:hover:not(:disabled):not([aria-disabled="true"])  { background: var(--surface); color: var(--text-primary); }
.ds-btn--ghost:active:not(:disabled):not([aria-disabled="true"]) { background: var(--surface-pressed); color: var(--text-primary); }

/* destructive — merah lembut; hover menjadi merah penuh agar aksi berbahaya terasa disengaja */
.ds-btn--destructive {
  background: var(--negative-soft);
  border-color: var(--negative-border);
  color: var(--negative);
}
.ds-btn--destructive:hover:not(:disabled):not([aria-disabled="true"])  { background: var(--negative); border-color: var(--negative); color: #fff; }
.ds-btn--destructive:active:not(:disabled):not([aria-disabled="true"]) { background: var(--negative); border-color: var(--negative); color: #fff; filter: brightness(.92); }
.ds-btn--destructive:focus-visible { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--negative); }

/* ikon di dalam tombol mengikuti warna teks */
.ds-btn .ds-icon { flex: none; }


/* ==========================================================================
   5. INPUT / SELECT / TEXTAREA / FIELD
   ========================================================================== */
.ds-field   { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.ds-label   { font-family: var(--font-text); font-size: var(--fs-label); font-weight: var(--fw-medium); line-height: 1.3; letter-spacing: var(--ls-label); color: var(--text-secondary); }
.ds-hint    { font-family: var(--font-text); letter-spacing: var(--ls-caption); font-size: var(--fs-caption); line-height: 1.35; color: var(--text-secondary); }
.ds-error   { font-family: var(--font-text); letter-spacing: var(--ls-caption); font-size: var(--fs-caption); line-height: 1.35; color: var(--negative); }

.ds-input,
.ds-select,
.ds-textarea {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 0 var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);                 /* 16px */
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;                                 /* 16px mencegah auto-zoom iOS Safari saat fokus */
  line-height: 1.4;
  letter-spacing: -.01em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025);
  -webkit-appearance: none;
          appearance: none;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.ds-input::placeholder,
.ds-textarea::placeholder { color: var(--text-tertiary); }

.ds-input:hover:not(:disabled),
.ds-select:hover:not(:disabled),
.ds-textarea:hover:not(:disabled) { background: var(--surface-elevated); border-color: var(--border-strong); }

.ds-input:focus,
.ds-select:focus,
.ds-textarea:focus {
  outline: none;
  background: var(--surface-elevated);
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.ds-input:focus-visible,
.ds-select:focus-visible,
.ds-textarea:focus-visible { box-shadow: 0 0 0 3px var(--accent-soft), 0 0 0 1px var(--accent); }

.ds-input:disabled,
.ds-select:disabled,
.ds-textarea:disabled { opacity: .45; cursor: not-allowed; }

.ds-input[aria-invalid="true"],
.ds-select[aria-invalid="true"],
.ds-textarea[aria-invalid="true"] { border-color: var(--negative-border); background: var(--negative-soft); }
.ds-input[aria-invalid="true"]:focus,
.ds-select[aria-invalid="true"]:focus,
.ds-textarea[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px var(--negative-soft), 0 0 0 1px var(--negative); }

.ds-textarea { padding: var(--space-3) var(--space-4); min-height: 96px; resize: vertical; }

.ds-select {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.ds-select option { background: var(--bg-raised); color: var(--text-primary); }

/* kontrol native (picker tanggal, scrollbar select) ikut tema — hanya di dalam komponen ds */
.ds-input, .ds-select, .ds-textarea { color-scheme: dark; }
body.light .ds-input, body.light .ds-select, body.light .ds-textarea,
[data-ds-theme="light"] .ds-input, [data-ds-theme="light"] .ds-select, [data-ds-theme="light"] .ds-textarea { color-scheme: light; }
.ds-input[type="date"]::-webkit-calendar-picker-indicator { opacity: .7; cursor: pointer; }


/* ==========================================================================
   6. BADGE
   WIN · LOSS · OPEN · LONG · SHORT  (+ netral)
   Warna arah (LONG/SHORT) sengaja BERBEDA dari hasil (WIN/LOSS)
   agar "Long yang rugi" tidak terbaca hijau.
   ========================================================================== */
.ds-badge {
  --_c: var(--text-secondary);
  --_bg: var(--surface-elevated);
  --_bd: var(--border);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  height: 24px;
  padding: 0 10px;
  border: 1px solid var(--_bd);
  border-radius: var(--radius-pill);
  background: var(--_bg);
  color: var(--_c);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.ds-badge::before {                                /* titik status; dibuang dengan .ds-badge--plain */
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.ds-badge--plain::before { display: none; }

.ds-badge--win   { --_c: var(--positive); --_bg: var(--positive-soft); --_bd: var(--positive-border); }
.ds-badge--loss  { --_c: var(--negative); --_bg: var(--negative-soft); --_bd: var(--negative-border); }
.ds-badge--open  { --_c: var(--accent-text); --_bg: var(--accent-soft); --_bd: var(--accent-border); }
.ds-badge--long  { --_c: var(--info);     --_bg: var(--info-soft);     --_bd: var(--info-border); }
.ds-badge--short { --_c: var(--warning);  --_bg: var(--warning-soft);  --_bd: var(--warning-border); }
.ds-badge--sm    { height: 20px; padding: 0 8px; font-size: 10.5px; }


/* ==========================================================================
   7. ICON
   Tidak menambah library. Proyek sudah memakai SVG inline bergaya outline
   (viewBox 24, stroke currentColor). Kelas ini menyeragamkannya:
   garis tipis, ujung membulat, ukuran dari skala.
   Pemakaian:  <svg class="ds-icon" viewBox="0 0 24 24" aria-hidden="true"><path d="…"/></svg>
   ========================================================================== */
.ds-icon {
  width: 20px; height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.ds-icon--sm { width: 16px; height: 16px; }
.ds-icon--lg { width: 24px; height: 24px; }
.ds-icon--xl { width: 28px; height: 28px; stroke-width: 1.5; }
.ds-icon--accent    { color: var(--accent-text); }
.ds-icon--secondary { color: var(--text-secondary); }


/* ==========================================================================
   8. FALLBACK & AKSESIBILITAS
   ========================================================================== */

/* Browser tanpa backdrop-filter → permukaan solid agar teks tetap terbaca */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .ds-surface            { background: var(--bg-raised); }
  .ds-surface--elevated  { background: var(--bg-raised); }
}

/* Layout: gutter & ritme vertikal lebih lega di layar besar */
@media (min-width: 640px)  { :root { --page-gutter: 28px; --page-pt: 36px; --section-gap: 48px; } }
@media (min-width: 1024px) { :root { --page-gutter: 36px; --page-pt: 44px; --section-gap: 56px; } }

/* Preferensi sistem: kurangi transparansi → solid */
@media (prefers-reduced-transparency: reduce) {
  .ds-surface,
  .ds-surface--elevated  { background: var(--bg-raised); -webkit-backdrop-filter: none; backdrop-filter: none; }
}

/* Preferensi sistem: kontras tinggi */
@media (prefers-contrast: more) {
  :root, [data-ds-theme="dark"]  { --border: rgba(255, 255, 255, .28); --text-secondary: rgba(255, 255, 255, .80); --text-tertiary: rgba(255, 255, 255, .60); }
  body.light, [data-ds-theme="light"] { --border: rgba(0, 0, 0, .40);   --text-secondary: rgba(0, 0, 0, .78);       --text-tertiary: rgba(0, 0, 0, .60); }
}

/* Preferensi sistem: kurangi gerak → tanpa transisi/transform */
@media (prefers-reduced-motion: reduce) {
  .ds-surface--interactive,
  .ds-btn,
  .ds-input,
  .ds-select,
  .ds-textarea { transition: none; }
  .ds-surface--interactive:hover,
  .ds-surface--interactive:active,
  .ds-btn:active:not(:disabled):not([aria-disabled="true"]) { transform: none; }
}

/* Windows High Contrast / forced-colors */
@media (forced-colors: active) {
  .ds-btn, .ds-input, .ds-select, .ds-textarea, .ds-badge, .ds-surface { border: 1px solid CanvasText; }
  .ds-btn:focus-visible, .ds-input:focus-visible, .ds-select:focus-visible, .ds-textarea:focus-visible { outline: 2px solid Highlight; }
}