/* ============================================================
   SeaScribe — Theme Variables (shared by main + admin)
   ============================================================ */

/* === Design Tokens === */
:root {
  --radius-xs: 3px;     --radius-sm: 6px;
  --radius-md: 8px;     --radius-lg: 10px;
  --radius-xl: 12px;    --radius-2xl: 16px;
  --radius: var(--radius-xl);
  --gap:      14px;
  --dur-fast: 0.15s;    --dur-md: 0.2s;    --dur-slow: 0.3s;
  --ease:     cubic-bezier(0.22, 0.61, 0.36, 1);
  --spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --bounce:   cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.2);

  /* Glass tokens（玻璃化设计令牌） */
  --glass-blur: 14px;
  --glass-sat: 140%;
}

/* ---- Light Theme ---- */
:root, [data-theme="light"] {
  --bg:       #fafafa;
  --surface:  #ffffff;
  --text:     #333;
  --muted:    #999;
  --border:   #e5e5e5;
  --dark:     #2a2a2a;
  --accent:   #d6394e;
  --hover:    #f5f5f5;
  --orb-bg:   #f0f0f0;
  --slider-track: #ddd;
  --glass-bg:        rgba(255, 255, 255, 0.6);
  --glass-bg-strong: rgba(255, 255, 255, 0.78);
  --glass-border:    rgba(255, 255, 255, 0.6);
  --glass-shadow:    0 8px 32px rgba(0, 0, 0, 0.08);
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%23999' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
  --bg:       #1a1a1a;
  --surface:  #262626;
  --text:     #e5e5e5;
  --muted:    #888;
  --border:   #3a3a3a;
  --dark:     #e5e5e5;
  --accent:   #f06070;
  --hover:    #333;
  --orb-bg:   #333;
  --slider-track: #444;
  --glass-bg:        rgba(38, 38, 38, 0.55);
  --glass-bg-strong: rgba(38, 38, 38, 0.75);
  --glass-border:    rgba(255, 255, 255, 0.09);
  --glass-shadow:    0 8px 32px rgba(0, 0, 0, 0.35);
  --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%23888' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

/* ---- 不支持 backdrop-filter 时：玻璃变量降级为实色（所有玻璃元素自动降级） ---- */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root {
    --glass-bg: var(--surface);
    --glass-bg-strong: var(--surface);
    --glass-border: var(--border);
  }
}