@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #101216;
  --bg-panel: #191c22;
  --bg-panel-raised: #21252c;
  --line: #2c313a;
  --line-soft: #22262d;
  --text: #e9ebef;
  --muted: #838d9c;
  --muted-dim: #5b6270;
  --teal: #2dd4bf;
  --teal-dim: #1a3d38;
  --orange: #ff8a3d;
  --orange-dim: #4a2f18;
  --red: #ff5566;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(45,212,191,0.06), transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

/* ==================== Header / Toolbar ==================== */
header {
  padding: 30px 24px 22px;
  text-align: center;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
}

.toolbar-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.rec-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 0 rgba(255,85,102,0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,85,102,0.55); }
  70%  { box-shadow: 0 0 0 6px rgba(255,85,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,85,102,0); }
}

header h1 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: -0.01em;
}

header h1 .accent { color: var(--orange); }

.subtitle {
  color: var(--muted);
  margin: 0 0 26px;
  font-size: 0.92rem;
}

/* ==================== Stepper (timeline scrubber) ==================== */
#stepper {
  max-width: 460px;
  margin: 0 auto;
  padding: 0 16px;
}

.stepper-track {
  position: relative;
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  margin-bottom: 14px;
}

.stepper-fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--orange));
  border-radius: 2px;
  transition: width 0.35s ease;
}

.stepper-playhead {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 11px;
  height: 11px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--orange);
  transition: left 0.35s ease;
  box-shadow: 0 0 8px rgba(255,138,61,0.6);
}

.stepper-marks {
  display: flex;
  justify-content: space-between;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  opacity: 0.4;
  transition: opacity 0.2s ease;
}

.step.active, .step.done { opacity: 1; }

.step-tc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted-dim);
  letter-spacing: 0.03em;
}

.step.active .step-tc { color: var(--orange); }
.step.done .step-tc { color: var(--teal); }

.step-label {
  font-size: 0.76rem;
  color: var(--muted);
  white-space: nowrap;
}

.step.active .step-label { color: var(--text); font-weight: 600; }

/* ==================== Layout ==================== */
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 26px 28px;
  margin-bottom: 20px;
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,212,191,0.35), transparent);
}

.card h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.005em;
}

.card h3 {
  margin: 24px 0 10px;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.hidden { display: none !important; }

.hint {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.status {
  margin-top: 12px;
  font-size: 0.87rem;
  font-family: var(--font-mono);
  min-height: 1.2em;
}

.status.error { color: var(--red); }
.status.ok { color: var(--teal); }

/* ==================== Controls ==================== */
input[type="file"] {
  color: var(--text);
  font-size: 0.88rem;
}

button, select, input[type="number"] {
  font-family: var(--font-body);
  font-size: 0.88rem;
}

button {
  background: var(--bg-panel-raised);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px 16px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

button:hover { border-color: var(--muted-dim); background: #262b33; }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

button.primary, a.primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #1a1206;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

button.primary:hover, a.primary:hover {
  background: #ffa15f;
  border-color: #ffa15f;
}

.enhance-buttons .enhance-btn.active {
  background: var(--teal-dim);
  border-color: var(--teal);
  color: var(--teal);
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0;
}

label {
  font-size: 0.82rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

input[type="number"] {
  width: 76px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 8px;
}

select {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 8px;
}

.back-btn {
  background: none;
  border: none;
  color: var(--muted);
  padding: 0 0 16px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.back-btn:hover {
  color: var(--teal);
  background: none;
  text-decoration: none;
}

#start-over-btn { margin-left: 10px; }

.logo-link { color: inherit; text-decoration: none; }
.logo-link:hover { opacity: 0.85; }

/* ==================== Kütüphane listesi ==================== */
.library-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-msg { padding: 4px 0; }

.lib-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--bg-panel-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  flex-wrap: wrap;
}

.lib-item-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
}

.lib-name {
  font-weight: 600;
  font-size: 0.94rem;
}

.lib-name-input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--teal);
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 0.9rem;
  font-family: var(--font-body);
}

.lib-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted-dim);
}

.lib-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 6px;
  border-radius: 4px;
  margin-right: 6px;
  background: var(--teal-dim);
  color: var(--teal);
}

.lib-tag.output-tag {
  background: var(--orange-dim);
  color: var(--orange);
}

.lib-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.lib-actions button, .lib-actions a {
  padding: 7px 12px;
  font-size: 0.82rem;
}

.lib-delete-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ==================== Vizör (video preview) ==================== */
#video-wrap, #trim-video-wrap {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 14px 0;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}

#trim-video, #preview-video {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: top;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* Kamera vizörü köşe işaretleri - imza öge */
#video-wrap::before, #video-wrap::after,
#trim-video-wrap::before, #trim-video-wrap::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--orange);
  z-index: 2;
  pointer-events: none;
  opacity: 0.85;
}

#video-wrap::before, #trim-video-wrap::before {
  top: 8px; left: 8px;
  border-right: none;
  border-bottom: none;
}

#video-wrap::after, #trim-video-wrap::after {
  top: 8px; right: 8px;
  border-left: none;
  border-bottom: none;
}

.corner-bl, .corner-br {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--orange);
  z-index: 2;
  pointer-events: none;
  opacity: 0.85;
}

.corner-bl { bottom: 8px; left: 8px; border-right: none; border-top: none; }
.corner-br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

#result-wrap { margin-top: 16px; }

@media (max-width: 600px) {
  header h1 { font-size: 1.5rem; }
  .card { padding: 20px 18px; }
  #stepper { max-width: 100%; }
}