:root {
  --overlay-bg: rgba(255, 255, 255, 0.14);
  --text-color: #f7f7f7;
  --dock-bg: rgba(18, 18, 24, 0.78);
  --dock-hover: rgba(34, 34, 46, 0.92);
  --input-bg: rgba(245, 245, 245, 0.82);
  --input-text: #1f2933;
  --border: rgba(255, 255, 255, 0.22);
  --glass-bg: rgba(255,255,255,0.12);
  --glass-bg-strong: rgba(255,255,255,0.18);
  --glass-border: rgba(255,255,255,0.3);
  --glass-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }

body, html, #app {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0b0c10;
  color: var(--text-color);
  font-family: "Inter", "SF Pro Display", "Segoe UI", system-ui, -apple-system, sans-serif;
}

button,
input,
select,
#status,
#thumb-dock,
#settings-panel,
#delete-confirm-card,
#progress-text {
  text-shadow: 0 1px 3px rgba(0,0,0,0.72), 0 0 12px rgba(0,0,0,0.34);
}

input::placeholder {
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

#canvas-container {
  width: 100%;
  height: 100%;
  position: fixed;
  inset: 0;
  overflow: hidden;
}

#prompt-bar {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  background: rgba(255,255,255,0.12);
  border: 1px solid var(--border);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

#prompt-input {
  width: min(48vw, 720px);
  min-width: 220px;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.16);
  color: #fdfefe;
  font-size: 16px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 4px 14px rgba(0,0,0,0.18);
  backdrop-filter: blur(6px);
}

#prompt-input:focus {
  border-color: rgba(255,255,255,0.5);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), 0 6px 18px rgba(0,0,0,0.18);
}

#generate-btn {
  border: none;
  padding: 12px 18px;
  border-radius: 10px;
  background: rgba(255,255,255,0.18);
  color: #f5f6fb;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.2s ease;
  box-shadow: 0 8px 18px rgba(0,0,0,0.14), inset 0 1px 0 rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}

#generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

#generate-btn:not(:disabled):hover { transform: translateY(-1px); }
#generate-btn:not(:disabled):active { transform: translateY(0); }

#settings-btn {
  border: 1px solid rgba(255,255,255,0.32);
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: #f5f6fb;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.2s ease;
  box-shadow: 0 6px 14px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
}

#settings-btn:hover { transform: translateY(-1px); }
#settings-btn:active { transform: translateY(0); }

#settings-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 420px;
  max-width: 680px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--glass-shadow);
  padding: 18px 18px 14px;
  backdrop-filter: blur(18px);
  z-index: 6;
}

#settings-panel.hidden { display: none; }

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.settings-title {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.1px;
}

.settings-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

#settings-close {
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.1);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  box-shadow: 0 6px 14px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.22);
  backdrop-filter: blur(6px);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px 12px;
}

.settings-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
}

.settings-grid input,
.settings-grid select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.14);
  color: #f9fafc;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.22);
  backdrop-filter: blur(6px);
}

.settings-grid .settings-check {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 43px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
}

.settings-grid .settings-check input {
  width: 18px;
  height: 18px;
  padding: 0;
  margin: 0;
  accent-color: rgba(255,255,255,0.9);
  cursor: pointer;
}

.settings-grid input:focus,
.settings-grid select:focus {
  border-color: rgba(255,255,255,0.52);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.32), 0 0 0 3px rgba(255,255,255,0.12);
}

.settings-footer {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

#settings-reset {
  border: 1px solid var(--glass-border);
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
}

#status {
  position: fixed;
  top: 18px;
  right: 18px;
  padding: 10px 14px;
  background: rgba(0,0,0,0.5);
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 13px;
  min-width: 200px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

#delete-confirm {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
  pointer-events: auto;
}

#delete-confirm.hidden { display: none; }

#delete-confirm-card {
  width: min(360px, calc(100vw - 36px));
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
  padding: 18px;
  color: #fff;
  backdrop-filter: blur(18px);
}

#delete-confirm-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

#delete-confirm-body {
  color: rgba(255,255,255,0.76);
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

#delete-confirm-filename {
  color: #fff;
}

#delete-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

#delete-confirm-actions button {
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  padding: 9px 13px;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 6px 14px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
}

#delete-confirm-cancel {
  background: rgba(255,255,255,0.08);
}

#delete-confirm-delete {
  background: var(--glass-bg-strong);
}

#delete-confirm-actions button:focus-visible {
  outline: 2px solid rgba(255,255,255,0.86);
  outline-offset: 2px;
}

/* Progress overlay */
#progress-overlay {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 5;
}

#progress-ring {
  width: 90vmin;
  height: 90vmin;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

#progress-fill {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(#ffffff 0%, rgba(255,255,255,0.08) 0%);
  /* Ring thickness is outer - inner. Make it very thin (about 1% of radius). */
  mask: radial-gradient(farthest-side, transparent 99%, black 50%);
}

#progress-text {
  position: relative;
  color: #f5f6fb;
  font-size: 24px;
  letter-spacing: 0.5px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

#thumb-dock {
  display: block;
  position: fixed;
  top: 50%;
  transform: translate(0, -50%);
  left: 0;
  width: 120px;
  max-height: 80vh;
  background: rgba(255,255,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.22);
  border-radius: 0 12px 12px 0;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
  overflow: hidden;
  pointer-events: auto;
  backdrop-filter: blur(10px);
}

#thumb-dock:hover { background: rgba(255,255,255,0.14); }

#thumb-header {
  padding: 10px 12px;
  font-size: 12px;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: #d5d6e0;
  border-bottom: 1px solid var(--border);
}

#thumb-list {
  overflow-y: auto;
  max-height: calc(80vh - 44px);
  padding: 8px 10px;
  display: grid;
  gap: 10px;
}

/* Custom scrollbar for dock */
#thumb-list::-webkit-scrollbar {
  width: 10px;
}
#thumb-list::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
}
#thumb-list::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.22);
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.08);
}
#thumb-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.3);
}

.thumb-item {
  position: relative;
  width: 100%;
  max-width: 150px;
  height: 150px;
  border-radius: 10px;
  overflow: visible;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.12s ease;
  background: #15171f;
}

.thumb-delete {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 24px;
  height: 24px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: rgba(255,255,255,0.16);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
}

.thumb-delete:focus-visible {
  outline: 1px solid rgba(255,255,255,0.9);
  outline-offset: -2px;
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

.thumb-item:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 10px 26px rgba(0,0,0,0.26);
  border-color: rgba(255,255,255,0.34);
}

@media (max-width: 800px) {
  #thumb-dock { display: none; }
  #prompt-bar {
    flex-direction: column;
    bottom: 18px;
    align-items: stretch;
  }
  #prompt-input { width: 78vw; }
  #generate-btn { width: 100%; }
  #settings-btn { width: 100%; }
  #status { bottom: 120px; }
}