/* ============================================================
   DigiPainters — 帳號頁共用樣式 (auth.css)
   登入 / 建立作品集 共用：分割版面殼 + 表單元件 + 品牌視覺面板
   依賴 site.css 的 tokens / 字型 / .btn。各頁 <link> 兩者後使用。
   ============================================================ */

/* ---- shell ---- */
/* site.css transitions `background` on <body>; when a theme custom-property
   changes, that shorthand transition can stick on the old resolved color.
   Exclude background here so theme switches apply instantly on auth pages. */
body{transition:color .45s ease}
.auth{min-height:100vh;display:grid;grid-template-columns:1.08fr 1fr;background:var(--bg-0)}
.auth-art{position:relative;overflow:hidden;background:#081319;isolation:isolate}
.auth-form-col{position:relative;display:flex;flex-direction:column;min-height:100vh}

/* ---- form-column top bar ---- */
.auth-top{display:flex;align-items:center;justify-content:space-between;padding:26px 40px;flex-shrink:0}
.auth-top .logo .word{font-size:21px}
.auth-top-right{display:flex;align-items:center;gap:6px}
.auth-back{font-size:13px;color:var(--ink-3);display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;transition:color .25s}
.auth-back:hover{color:var(--ink)}
.auth-back svg{width:14px;height:14px}

/* ---- form body ---- */
.auth-body{flex:1;display:flex;flex-direction:column;justify-content:center;padding:8px 40px 48px}
.auth-card{width:100%;max-width:392px;margin:0 auto}
.auth-eyebrow{margin-bottom:20px}
.auth-card h1{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:36px;line-height:1.08;letter-spacing:-0.02em;margin-bottom:11px}
.auth-card h1 em{font-style:italic;color:var(--teal-2);font-weight:400}
.auth-card .sub{color:var(--ink-3);font-size:14px;line-height:1.7;margin-bottom:30px}
.auth-card .sub a{color:var(--teal-2);border-bottom:1px solid rgba(116,210,197,.32);transition:border-color .25s}
.auth-card .sub a:hover{border-color:var(--teal-2)}

/* ---- social ---- */
.soc-row{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.soc-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--ink);background:var(--bg-1);transition:border-color .25s,background .25s,transform .2s}
.soc-btn:hover{border-color:var(--teal);background:var(--bg-2);transform:translateY(-1px)}
.soc-btn svg{width:18px;height:18px;flex-shrink:0}

.auth-or{display:flex;align-items:center;gap:14px;margin:0 0 22px;color:var(--ink-4);font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.08em}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line-soft)}

/* ---- fields ---- */
.field{margin-bottom:16px}
.field > label{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-bottom:8px;letter-spacing:.01em}
.field .hint-link{font-size:12px;color:var(--ink-3);transition:color .25s}
.field .hint-link:hover{color:var(--teal-2)}
.f-ctrl{position:relative;display:flex;align-items:center}
.f-ctrl > .lead-ic{position:absolute;left:15px;width:17px;height:17px;color:var(--ink-3);pointer-events:none}
.field input{width:100%;background:var(--bg-1);border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 42px;color:var(--ink);font-size:14.5px;transition:border-color .25s,box-shadow .25s,background .25s}
.field input::placeholder{color:var(--ink-4)}
.field input:focus{outline:none;border-color:var(--teal);background:var(--bg-1);box-shadow:0 0 0 4px rgba(63,184,168,.10)}
.field.has-suffix input{padding-right:46px}
.pw-toggle{position:absolute;right:8px;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--ink-3);transition:color .2s,background .2s}
.pw-toggle:hover{color:var(--ink);background:rgba(255,255,255,.05)}
[data-theme="light"] .pw-toggle:hover{background:rgba(21,39,47,.05)}
.pw-toggle svg{width:17px;height:17px}

/* handle / prefix field (digipainters.com/@xxx) */
.field.with-prefix .f-ctrl{background:var(--bg-1);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.field.with-prefix .f-ctrl:focus-within{border-color:var(--teal);box-shadow:0 0 0 4px rgba(63,184,168,.10)}
.field.with-prefix .prefix{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--ink-4);padding:14px 2px 14px 16px;white-space:nowrap;user-select:none}
.field.with-prefix input{background:transparent;border:0;border-radius:0;padding:14px 16px 14px 2px}
.field.with-prefix input:focus{box-shadow:none}
.field .fld-note{font-size:11.5px;color:var(--ink-4);margin-top:7px;line-height:1.5}

/* password strength */
.pw-strength{display:flex;gap:5px;margin-top:9px}
.pw-strength i{height:3px;flex:1;border-radius:999px;background:var(--line-soft);transition:background .3s}
.pw-strength.s1 i:nth-child(1){background:var(--rose)}
.pw-strength.s2 i:nth-child(-n+2){background:var(--gold)}
.pw-strength.s3 i:nth-child(-n+3){background:var(--teal-2)}
.pw-strength.s4 i{background:var(--teal-2)}

/* checkbox row */
.check{display:inline-flex;align-items:flex-start;gap:10px;cursor:pointer;user-select:none;font-size:13px;color:var(--ink-2);line-height:1.55}
.check input{position:absolute;opacity:0;width:0;height:0}
.check .box{width:19px;height:19px;border-radius:6px;border:1px solid var(--line);flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;color:transparent;transition:all .2s}
.check .box svg{width:12px;height:12px}
.check input:checked + .box{background:var(--teal);border-color:var(--teal);color:#072027}
[data-theme="light"] .check input:checked + .box{background:var(--teal-deep);border-color:var(--teal-deep);color:#F4F7F5}
.check input:focus-visible + .box{box-shadow:0 0 0 4px rgba(63,184,168,.18)}
.check a{color:var(--teal-2);border-bottom:1px solid rgba(116,210,197,.32)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}

.btn--block{width:100%;justify-content:center;padding-top:15px;padding-bottom:15px}
.auth-submit{margin-top:4px}
.auth-foot{margin-top:26px;text-align:center;font-size:13.5px;color:var(--ink-3)}
.auth-foot a{color:var(--teal-2);font-weight:500;border-bottom:1px solid rgba(116,210,197,.32);transition:border-color .25s}
.auth-foot a:hover{border-color:var(--teal-2)}

.auth-legal{margin-top:30px;text-align:center;font-size:11px;color:var(--ink-4);line-height:1.6;max-width:330px;margin-left:auto;margin-right:auto}
.auth-legal a{color:var(--ink-3);border-bottom:1px solid var(--line-soft)}

/* ============ Brand visual panel ============ */
.aa-collage{position:absolute;inset:-12% -14%;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,1fr);gap:16px;transform:rotate(-7deg) scale(1.16);z-index:0}
.aa-collage .tile{border-radius:18px;overflow:hidden;position:relative;box-shadow:0 30px 60px -28px rgba(0,0,0,.7)}
.aa-collage .tile:nth-child(2),.aa-collage .tile:nth-child(4){transform:translateY(34px)}
.aa-veil{position:absolute;inset:0;z-index:1;background:
  radial-gradient(60% 55% at 18% 14%,rgba(63,184,168,.22),transparent 60%),
  linear-gradient(118deg,rgba(6,17,22,.62) 0%,rgba(6,17,22,.74) 46%,rgba(6,17,22,.95) 100%)}
.aa-content{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;padding:56px 56px 52px;color:#EAF0F0}
.aa-content .eyebrow{color:rgba(234,240,240,.62);margin-bottom:24px}
.aa-content .eyebrow::before{background:var(--teal-2)}
.aa-content h2{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:clamp(34px,3.6vw,50px);line-height:1.08;letter-spacing:-0.02em;max-width:9em;margin-bottom:18px}
.aa-content h2 em{font-style:italic;color:var(--teal-2);font-weight:400}
.aa-content > p{color:rgba(234,240,240,.72);font-size:15px;line-height:1.8;max-width:34ch;margin-bottom:38px}

.aa-points{display:flex;flex-direction:column;gap:13px;margin-bottom:40px}
.aa-points li{display:flex;align-items:center;gap:13px;font-size:14px;color:rgba(234,240,240,.86);list-style:none}
.aa-points .tick{width:24px;height:24px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:rgba(63,184,168,.16);border:1px solid rgba(63,184,168,.4);color:var(--teal-2)}
.aa-points .tick svg{width:13px;height:13px}

.aa-quote{border-top:1px solid rgba(234,240,240,.14);padding-top:26px}
.aa-quote blockquote{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:21px;line-height:1.5;color:#EAF0F0;margin-bottom:20px;max-width:24ch}
.aa-by{display:flex;align-items:center;gap:13px}
.aa-by .av{width:42px;height:42px;border-radius:50%;overflow:hidden;border:1px solid rgba(234,240,240,.2);flex-shrink:0}
.aa-by b{display:block;font-size:14px;font-weight:500;color:#EAF0F0}
.aa-by span{display:block;font-size:11.5px;color:rgba(234,240,240,.55);margin-top:2px}

/* brand mark on the visual panel */
.aa-brand{position:absolute;top:0;left:0;z-index:3;padding:38px 56px}
.aa-brand .word{color:#EAF0F0}

/* ============ Responsive ============ */
@media (max-width:1080px){
  .auth{grid-template-columns:.95fr 1fr}
  .aa-content{padding:44px}
  .aa-brand{padding:32px 44px}
}
@media (max-width:860px){
  .auth{grid-template-columns:1fr}
  .auth-art{display:none}
}
@media (max-width:560px){
  .auth-top{padding:20px}
  .auth-body{padding:8px 22px 40px}
  .auth-card h1{font-size:31px}
}

/* ============ Clerk 錯誤提示 ============ */
.auth-error-banner{background:color-mix(in srgb,var(--rose,#e05) 12%,transparent);color:var(--rose,#e05);border:1px solid color-mix(in srgb,var(--rose,#e05) 25%,transparent);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:16px}
.field-error{color:var(--rose,#e05);font-size:12px;margin-top:4px}
.field-hint{color:var(--ink-3,#888);font-size:12px;margin-top:4px}
