/* ===== Rakitfeeds — Design System (Senja Terang light + Senja Malam dark) ===== */
:root{
  --bg:#FDF7FF; --surface:#FFFFFF; --surface-elev:#FBF5FF;
  --ink:#1B1030; --text-secondary:#5B5170; --text-muted:#8B8299;
  --border:#ECE3F5; --border-strong:#D9C8EC;
  --primary:#7C3AED; --primary-hover:#6D28D9; --primary-active:#5B21B6;
  --accent-text:#7C3AED; --secondary:#EC4899; --tertiary:#FB7185; --on-primary:#FFFFFF;
  --primary-soft:rgba(124,58,237,.12); --secondary-soft:rgba(236,72,153,.12);
  --gradient-senja:linear-gradient(135deg,#7C3AED 0%,#EC4899 55%,#FB7185 100%);
  --success:#10B981; --warning:#F59E0B; --error:#EF4444; --info:#3B82F6;
  --radius-sm:8px; --radius-md:12px; --radius-lg:16px; --radius-xl:22px;
  --shadow-sm:0 1px 2px rgba(27,16,48,.06); --shadow-md:0 4px 14px rgba(27,16,48,.08);
  --shadow-glow:0 0 24px rgba(124,58,237,.28);
  --maxw:520px;
}
[data-theme="dark"]{
  --bg:#0B0710; --surface:#150C1E; --surface-elev:#1E1329;
  --ink:#F5F0FA; --text-secondary:#B9AECB; --text-muted:#7E7391;
  --border:#2A1E38; --border-strong:#3D2C52;
  --primary:#7C3AED; --primary-hover:#8B5CF6; --primary-active:#6D28D9;
  --accent-text:#A78BFA; --secondary:#EC4899; --tertiary:#FB7185;
  --primary-soft:rgba(124,58,237,.22); --secondary-soft:rgba(236,72,153,.20);
  --success:#34D399; --warning:#FBBF24; --error:#F87171; --info:#60A5FA;
  --shadow-sm:0 1px 2px rgba(0,0,0,.5); --shadow-md:0 8px 24px rgba(0,0,0,.55);
  --shadow-glow:0 0 24px rgba(139,92,246,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink)}
body{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3,.display{font-family:"Plus Jakarta Sans",Inter,sans-serif;font-weight:800;letter-spacing:-.01em}
a{color:var(--accent-text);text-decoration:none}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.muted{color:var(--text-muted)}
.sec{color:var(--text-secondary)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:var(--on-primary);border:none;border-radius:var(--radius-md);padding:12px 18px;font:inherit;font-weight:600;cursor:pointer;transition:background .15s,box-shadow .15s,transform .05s}
.btn:hover{background:var(--primary-hover)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:default}
.btn.grad{background:var(--gradient-senja)}
.btn.grad:hover{box-shadow:var(--shadow-glow)}
.btn.ghost{background:transparent;color:var(--accent-text);border:1px solid var(--border-strong)}
.btn.ghost:hover{background:var(--primary-soft)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:var(--radius-sm)}
.btn.block{width:100%}
.btn svg{width:18px;height:18px;flex:none}

/* forms */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field>span,label.lab{font-size:13px;font-weight:600;color:var(--ink)}
.inp,.sel,textarea.inp{width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:var(--radius-md);padding:11px 13px;font:inherit;transition:border-color .15s,box-shadow .15s}
.inp::placeholder{color:var(--text-muted)}
.inp:focus,.sel:focus,textarea.inp:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
textarea.inp{resize:vertical;min-height:64px}

/* card / surface */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.surface{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg)}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--accent-text);border-radius:999px;padding:5px 11px;font-size:12.5px}
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:6px;padding:2px 7px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.badge.free{background:rgba(16,185,129,.14);color:#0E9F6E}
.badge.byok{background:var(--primary-soft);color:var(--accent-text)}

/* messages */
.msg{padding:10px 12px;border-radius:var(--radius-md);font-size:13.5px;display:none;margin-bottom:12px}
.msg.err{background:rgba(239,68,68,.12);color:var(--error);display:block}
.msg.ok{background:rgba(16,185,129,.12);color:var(--success);display:block}

/* spinner */
.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:80px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== AUTH screen ===== */
.auth{max-width:var(--maxw);margin:8vh auto;padding:0 18px;text-align:center}
.auth .logo{width:64px;height:64px;border-radius:16px;background:var(--gradient-senja);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:var(--shadow-glow);color:#fff;font-weight:900;font-size:30px;font-family:"Plus Jakarta Sans"}
.auth .wordmark{font-size:26px;font-weight:800;margin-bottom:4px;font-family:"Plus Jakarta Sans"}
.auth .tag{color:var(--text-muted);font-size:13.5px;margin-bottom:22px}
.auth .card{padding:22px;text-align:left}
.key-inp{font-family:"JetBrains Mono",monospace;letter-spacing:1px;text-transform:uppercase}

/* ===== APP LAYOUT (member/studio) ===== */
.appbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.appbar .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-family:"Plus Jakarta Sans"}
.appbar .brand .dot{width:30px;height:30px;border-radius:8px;background:var(--gradient-senja);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:16px}
.appbar .grad-text{background:var(--gradient-senja);-webkit-background-clip:text;background-clip:text;color:transparent}
.iconbtn{background:transparent;border:1px solid var(--border);border-radius:10px;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary)}
.iconbtn:hover{border-color:var(--border-strong);color:var(--ink)}
.iconbtn svg{width:18px;height:18px}

.layout{display:flex;min-height:calc(100vh - 56px)}
.side{width:76px;flex:none;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 0;position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto}
.side .sbtn{width:52px;height:52px;border-radius:12px;background:transparent;border:none;cursor:pointer;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:9px;transition:.15s}
.side .sbtn svg{width:20px;height:20px}
.side .sbtn:hover{background:var(--primary-soft);color:var(--accent-text)}
.side .sbtn.active{background:var(--primary-soft);color:var(--accent-text)}
.main{flex:1;min-width:0;padding:22px;max-width:760px}
.pane{width:460px;flex:none;border-left:1px solid var(--border);background:var(--bg);padding:18px;overflow-y:auto}
@media(max-width:900px){.layout{flex-direction:column}.side{flex-direction:row;width:100%;height:auto;position:static;overflow-x:auto}.side .sbtn{flex:none}.pane{width:100%;border-left:none;border-top:1px solid var(--border)}.main{max-width:100%}}

.h-title{font-size:22px;margin-bottom:2px}
.h-sub{color:var(--text-muted);font-size:13px;margin-bottom:16px}
.sect{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:14px}
.sect-h{font-size:13px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.sect-h .n{color:var(--text-muted);font-family:"JetBrains Mono";font-size:11px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}

/* engine selector */
.engine-row{display:flex;gap:10px;flex-wrap:wrap}
.tags{display:flex;flex-wrap:wrap;gap:8px;min-height:46px;padding:8px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface)}
.tags .tag{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--accent-text);border-radius:999px;padding:4px 10px;font-size:12.5px}
.tags .tag button{background:none;border:none;color:inherit;cursor:pointer;display:flex}
.tags input{flex:1;min-width:120px;border:none;background:transparent;color:var(--ink);outline:none;font:inherit;font-size:14px}

/* preview / output */
.preview{width:100%;border-radius:var(--radius-md);border:1px solid var(--border);overflow:hidden;background:var(--surface-elev)}
.preview canvas,.preview img{width:100%;display:block}
.terminal{background:#0d0713;color:#c9b8e0;border-radius:var(--radius-md);padding:14px;font-family:"JetBrains Mono",monospace;font-size:12px;line-height:1.7;min-height:180px}
.terminal .ok{color:#34D399}.terminal .ac{color:#A78BFA}

.upload{border:1.5px dashed var(--border-strong);border-radius:var(--radius-md);padding:16px;text-align:center;color:var(--text-muted);cursor:pointer;font-size:13px}
.upload:hover{border-color:var(--primary);color:var(--accent-text)}
.upload svg{width:30px;height:30px;display:block;margin:0 auto 6px}
.swatch{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);cursor:pointer}
.badge.ai,.badge.media,.badge.upload,.badge.neutral{background:var(--primary-soft);color:var(--accent-text)}
.callout{background:var(--secondary-soft);border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:12px 14px;font-size:13px;color:var(--text-secondary);margin-bottom:16px}
.onb{max-width:640px;margin:24px auto;padding:0 18px}
.eng{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px;margin-bottom:12px}
.eng .top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
.eng .lbl{font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px}
.eng .desc{font-size:12px;color:var(--text-muted);margin:4px 0 10px;line-height:1.5}
.eng .getkey{font-size:12px;white-space:nowrap}
.colorpick{width:46px;height:46px;padding:0;border:1px solid var(--border);border-radius:12px;background:none;cursor:pointer;flex:none}
.hidden{display:none!important}
.spread{display:flex;align-items:center;justify-content:space-between;gap:10px}
.stack{display:flex;flex-direction:column;gap:10px}
.small{font-size:12px}