/* 숏핑 스튜디오 */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0d1117;
  --panel: #161b26;
  --panel2: #1d2433;
  --line: #2a3346;
  --text: #e8edf5;
  --muted: #96a0b5;
  --accent: #ff5c38;
  --accent2: #ffb03a;
  --ok: #3ddc84;
  --radius: 14px;
}
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", "Malgun Gothic", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(13,17,23,.92); backdrop-filter: blur(10px); z-index: 50;
  flex-wrap: wrap; gap: 8px;
}
.logo { font-size: 1.15rem; cursor: pointer; }
.logo b { letter-spacing: -0.5px; }
.beta { font-size: .65rem; color: var(--accent2); border: 1px solid var(--accent2); border-radius: 20px; padding: 1px 8px; margin-left: 8px; vertical-align: 3px; }
nav { display: flex; gap: 8px; flex-wrap: wrap; }
.navbtn {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: .88rem;
}
.navbtn:hover { border-color: var(--accent); }
.navbtn.ghost { background: transparent; color: var(--muted); }

main { max-width: 860px; margin: 0 auto; padding: 24px 18px 80px; }

/* hero */
.hero { text-align: center; padding: 34px 10px 26px; }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.6rem); letter-spacing: -1px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--muted); margin-top: 10px; }
.hero-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.hero-badges span { font-size: .78rem; background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px; color: var(--muted); }

/* stepper */
.stepper {
  display: flex; gap: 4px; list-style: none; margin: 18px 0 22px;
  overflow-x: auto; padding-bottom: 4px;
}
.stepper li {
  flex: 1; min-width: 96px; text-align: center; font-size: .8rem; color: var(--muted);
  padding: 10px 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; white-space: nowrap; user-select: none;
}
.stepper li b {
  display: inline-flex; width: 20px; height: 20px; border-radius: 50%;
  background: var(--panel2); align-items: center; justify-content: center; margin-right: 6px; font-size: .75rem;
}
.stepper li.active { color: #fff; border-color: var(--accent); background: linear-gradient(160deg, #2a1712, #161b26); }
.stepper li.active b { background: var(--accent); }
.stepper li.done { color: var(--ok); }
.stepper li.done b { background: rgba(61,220,132,.15); color: var(--ok); }

/* cards & panels */
.step-panel.hidden, .hidden { display: none !important; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; margin-bottom: 18px;
}
.card.inner { background: var(--panel2); padding: 18px; margin-top: 16px; }
.card h2 { font-size: 1.3rem; margin-bottom: 6px; letter-spacing: -0.5px; }
.card h3 { font-size: 1rem; margin: 14px 0 8px; }
.hint { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }
.req { color: var(--accent); font-size: .75rem; }

label { display: block; margin: 12px 0; font-size: .9rem; color: var(--text); }
input[type=text], input[type=password], textarea, select {
  width: 100%; margin-top: 6px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
  font-size: .95rem; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
input[type=file] { margin-top: 8px; color: var(--muted); font-size: .85rem; width: 100%; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .row2 { grid-template-columns: 1fr; } }

.thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.thumbs .th { position: relative; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.thumbs .del {
  position: absolute; top: -6px; right: -6px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none; cursor: pointer; font-size: .7rem; line-height: 1;
}

/* buttons */
button { font-family: inherit; }
.primary {
  background: linear-gradient(135deg, var(--accent), #ff7a2e); color: #fff; border: none;
  padding: 12px 22px; border-radius: 10px; font-size: .95rem; font-weight: 700; cursor: pointer;
  text-decoration: none; display: inline-block; text-align: center;
}
.primary:hover { filter: brightness(1.1); }
.primary:disabled { opacity: .45; cursor: not-allowed; }
.primary.big { width: 100%; padding: 15px; font-size: 1.05rem; margin: 10px 0; }
.primary.dl { margin-top: 10px; }
.ghostbtn {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  padding: 11px 18px; border-radius: 10px; cursor: pointer; font-size: .9rem; text-align: center; text-decoration: none; display: inline-block;
}
.ghostbtn:hover { color: var(--text); border-color: var(--muted); }
.linklike { background: none; border: none; color: var(--accent2); cursor: pointer; font-size: .85rem; text-decoration: underline; padding: 0; }
.actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; }
.actions > :only-child { margin-left: auto; }
.actions-left { display: flex; gap: 10px; align-items: center; margin: 14px 0; flex-wrap: wrap; }
.legal-mini { font-size: .76rem; color: #7c8699; margin-top: 10px; }

/* scenes */
.scene-card {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin: 12px 0;
}
.scene-card .role {
  display: inline-block; font-size: .72rem; font-weight: 700; color: var(--accent2);
  border: 1px solid rgba(255,176,58,.4); padding: 2px 10px; border-radius: 20px; margin-bottom: 8px;
}
.scene-card label { font-size: .78rem; color: var(--muted); margin: 8px 0 2px; }
.scene-card textarea, .scene-card input[type=text] { font-size: .9rem; padding: 9px 12px; }
.hook-chips { display: flex; flex-direction: column; gap: 8px; margin: 10px 0 16px; }
.hook-chips button {
  text-align: left; background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 10px; cursor: pointer; font-size: .92rem;
}
.hook-chips button.sel { border-color: var(--accent); background: linear-gradient(160deg, #2a1712, #1d2433); }
.hook-chips button small { display: block; color: var(--muted); margin-top: 2px; }

/* tts rows */
.tts-row {
  display: flex; align-items: center; gap: 12px; background: var(--panel2);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 10px 0; flex-wrap: wrap;
}
.tts-row .role { font-size: .72rem; font-weight: 700; color: var(--accent2); min-width: 62px; }
.tts-row .txt { flex: 1; font-size: .85rem; color: var(--text); min-width: 200px; }
.tts-row .stat { font-size: .78rem; color: var(--muted); min-width: 68px; text-align: right; }
.tts-row .stat.ok { color: var(--ok); }
.tts-row button { background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 7px 12px; cursor: pointer; font-size: .8rem; }
.tts-row button:hover { border-color: var(--accent); }

/* scene image cards */
.simg-card {
  display: flex; gap: 14px; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px; margin: 10px 0; flex-wrap: wrap;
}
.simg-card .preview {
  width: 108px; height: 192px; border-radius: 10px; background: var(--bg);
  border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: .7rem; overflow: hidden; flex-shrink: 0;
}
.simg-card .preview img { width: 100%; height: 100%; object-fit: cover; }
.simg-card .simg-body { flex: 1; min-width: 220px; }
.simg-card .cap { font-size: .9rem; font-weight: 700; }
.simg-card .nar { font-size: .8rem; color: var(--muted); margin: 4px 0 10px; }
.simg-card .pool { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.simg-card .pool img { width: 46px; height: 46px; object-fit: cover; border-radius: 6px; border: 2px solid transparent; cursor: pointer; }
.simg-card .pool img.sel { border-color: var(--accent); }
.simg-card .simg-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.simg-card .simg-actions button { background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 7px 12px; cursor: pointer; font-size: .8rem; }
.simg-card .simg-actions button:hover { border-color: var(--accent); }

/* render */
.render-wrap { display: flex; gap: 22px; margin-top: 16px; flex-wrap: wrap; }
.canvas-frame {
  position: relative; width: 236px; flex-shrink: 0; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--line); background: #000; align-self: flex-start;
}
.canvas-frame canvas { width: 100%; display: block; aspect-ratio: 9/16; }
.render-status {
  position: absolute; inset: auto 0 0 0; padding: 8px; text-align: center;
  background: rgba(0,0,0,.7); color: var(--accent2); font-size: .8rem; font-weight: 700;
}
.render-side { flex: 1; min-width: 240px; }
.duration-info { color: var(--muted); font-size: .85rem; margin-bottom: 8px; }
#resultVideo { width: 100%; border-radius: 12px; margin-top: 12px; background: #000; }

/* kit */
.kit-block { background: var(--panel2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 10px 0; }
.kit-block h4 { font-size: .85rem; color: var(--accent2); margin-bottom: 6px; }
.kit-block pre {
  white-space: pre-wrap; word-break: break-word; font-family: inherit; font-size: .9rem;
  background: var(--bg); border-radius: 8px; padding: 12px; border: 1px solid var(--line);
}
.kit-block .copybtn { margin-top: 8px; background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 7px 14px; cursor: pointer; font-size: .8rem; }
.kit-block .copybtn:hover { border-color: var(--accent); }
.checklist { list-style: none; }
.checklist li { padding: 6px 0 6px 26px; position: relative; font-size: .9rem; color: var(--text); }
.checklist li::before { content: "✔"; position: absolute; left: 2px; color: var(--ok); }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.65); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 18px; overflow-y: auto; }
.modal-box {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 26px; max-width: 560px; width: 100%; position: relative; max-height: 88vh; overflow-y: auto;
}
.modal-box.wide { max-width: 820px; }
.modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; color: var(--muted); font-size: 1.1rem; cursor: pointer; }
.keyguide { background: var(--panel2); border-radius: 10px; padding: 14px 16px; margin: 12px 0; font-size: .88rem; }
.keyguide ol { margin: 8px 0 0 18px; }
.keyguide a { color: var(--accent2); }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.guide-grid .card.inner { margin: 0; font-size: .88rem; }
.guide-grid .card.inner p { color: var(--muted); margin-top: 4px; }
.guide-grid .card.inner a { color: var(--accent2); }
.guide-grid .span2 { grid-column: span 2; }
@media (max-width: 680px) { .guide-grid { grid-template-columns: 1fr; } .guide-grid .span2 { grid-column: span 1; } }
#keyStatus { font-size: .85rem; }
#keyStatus.ok { color: var(--ok); }
#keyStatus.err { color: var(--accent); }

/* overlay / toast */
.overlay {
  position: fixed; inset: 0; background: rgba(13,17,23,.85); z-index: 200;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
}
.spinner { width: 44px; height: 44px; border: 4px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
#overlayMsg { color: var(--text); font-size: .95rem; text-align: center; padding: 0 20px; }
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  background: #262f42; color: #fff; padding: 12px 22px; border-radius: 12px;
  border: 1px solid var(--line); z-index: 300; font-size: .9rem; max-width: 90vw; text-align: center;
}

footer { border-top: 1px solid var(--line); padding: 26px 20px 40px; text-align: center; }
footer p { color: #66707f; font-size: .74rem; max-width: 720px; margin: 4px auto; }