/* app.css — Vizora Studio UI. Inherits theme tokens from theme.css. */

:root {
  --app-sidebar: 280px;
  --app-header: 64px;
}

body.app-body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  overflow: hidden;
}

/* ===== LAYOUT ===== */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.app-header {
  height: var(--app-header);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 10;
}

.app-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
}

.app-logo span {
  color: var(--accent);
}

.app-nav {
  display: flex;
  gap: 8px;
  margin-left: 32px;
}

.app-nav-btn {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.app-nav-btn:hover { color: var(--fg); background: var(--bg-card); }
.app-nav-btn.active { color: var(--cyan); background: var(--cyan-glow); }

.app-header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.credits-badge {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  background: var(--cyan-glow);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0,212,255,0.2);
}

/* ===== MAIN AREA ===== */
.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--app-sidebar);
  border-right: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0 16px;
  gap: 0;
}

.sidebar-tab {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px 16px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  font-family: var(--font-body);
}

.sidebar-tab:hover { color: var(--fg); }
.sidebar-tab.active { color: var(--cyan); border-bottom-color: var(--cyan); }

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
}

.sidebar-content::-webkit-scrollbar { width: 4px; }
.sidebar-content::-webkit-scrollbar-track { background: transparent; }
.sidebar-content::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 2px; }

/* ===== GENERATOR PANEL ===== */
.gen-prompt-wrap {
  margin-bottom: 20px;
}

.gen-prompt-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
  margin-bottom: 8px;
}

.gen-prompt {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  resize: none;
  outline: none;
  min-height: 100px;
  transition: border-color 0.2s;
  line-height: 1.5;
}

.gen-prompt:focus { border-color: var(--cyan); }
.gen-prompt::placeholder { color: var(--fg-dim); }

.gen-neg-prompt {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 13px;
  resize: none;
  outline: none;
  min-height: 60px;
  transition: border-color 0.2s;
}

.gen-neg-prompt:focus { border-color: rgba(255,107,107,0.4); }
.gen-neg-prompt::placeholder { color: var(--fg-dim); }

/* ===== CONTROLS ===== */
.gen-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
}

.control-row {
  display: flex;
  gap: 8px;
}

.size-btn, .style-btn, .quality-btn {
  flex: 1;
  padding: 8px 6px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--bg-card);
  color: var(--fg-muted);
}

.size-btn:hover, .style-btn:hover, .quality-btn:hover { border-color: rgba(255,255,255,0.15); color: var(--fg); }
.size-btn.selected, .style-btn.selected, .quality-btn.selected {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-glow);
}

/* ===== GENERATE BUTTON ===== */
.gen-btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.gen-btn:hover { transform: translateY(-1px); filter: brightness(1.1); }
.gen-btn:active { transform: translateY(0); }
.gen-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; filter: none; }

.gen-btn .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.gen-btn.loading .spinner { display: block; }
.gen-btn.loading .btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

.gen-subtle {
  font-size: 12px;
  color: var(--fg-dim);
  text-align: center;
}

/* ===== GALLERY PANEL ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  aspect-ratio: 1;
  transition: all 0.2s;
}

.gallery-item:hover {
  border-color: var(--cyan);
  transform: scale(1.03);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.7) 100%);
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  align-items: flex-end;
  padding: 8px;
}

.gallery-item:hover .gallery-item-overlay { opacity: 1; }

.gallery-item-actions {
  display: flex;
  gap: 6px;
}

.gi-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: none;
  color: white;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.gi-btn:hover { background: rgba(255,255,255,0.3); }
.gi-btn.delete:hover { background: rgba(255,107,107,0.4); }

.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--fg-dim);
  font-size: 14px;
}

.gallery-empty strong {
  display: block;
  font-size: 16px;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

/* ===== CANVAS / PREVIEW ===== */
.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  overflow: hidden;
  position: relative;
  background: var(--bg);
}

.canvas-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--fg-dim);
  gap: 16px;
}

.canvas-placeholder-icon {
  font-size: 48px;
  opacity: 0.3;
}

.canvas-placeholder p {
  font-size: 16px;
  font-family: var(--font-display);
  font-weight: 500;
}

.canvas-placeholder span {
  font-size: 14px;
  color: var(--fg-dim);
}

.canvas-image-wrap {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.canvas-image-wrap img {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.canvas-image-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.canvas-action-btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--bg-card);
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 6px;
}

.canvas-action-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.canvas-action-btn.primary {
  background: var(--cyan-glow);
  border-color: var(--cyan);
  color: var(--cyan);
}
.canvas-action-btn.primary:hover { background: rgba(0,212,255,0.25); }

.canvas-prompt-tag {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 500px;
  text-align: center;
  line-height: 1.5;
}

/* ===== LOADING STATE ===== */
.generating-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10,15,30,0.8);
  backdrop-filter: blur(8px);
  z-index: 5;
  gap: 20px;
}

.gen-orbs {
  display: flex;
  gap: 12px;
}

.gen-orb {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  animation: genPulse 2s ease-in-out infinite;
}

.gen-orb:nth-child(1) { background: var(--accent); animation-delay: 0s; }
.gen-orb:nth-child(2) { background: var(--cyan); animation-delay: 0.2s; }
.gen-orb:nth-child(3) { background: var(--purple); animation-delay: 0.4s; }

@keyframes genPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}

.generating-overlay p {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
}

.generating-overlay span {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===== NOTIFICATION TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--fg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  z-index: 100;
  animation: toastIn 0.3s ease;
}

.toast.error { border-color: var(--accent); color: var(--accent); }
.toast.success { border-color: var(--green); color: var(--green); }

@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== CROP MODAL ===== */
#cropModal {
  position: fixed;
  inset: 0;
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crop-container {
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  max-width: 880px;
  max-height: 90vh;
  width: 90vw;
}

.crop-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  gap: 16px;
}

.crop-header > span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--fg);
}

.crop-aspect-btns {
  display: flex;
  gap: 6px;
  flex: 1;
}

.crop-ar-btn {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--bg-card);
  color: var(--fg-muted);
  transition: all 0.2s;
}

.crop-ar-btn:hover { border-color: rgba(255,255,255,0.2); color: var(--fg); }
.crop-ar-btn.selected { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-glow); }

.crop-close-btn {
  background: none;
  border: none;
  color: var(--fg-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.2s;
}
.crop-close-btn:hover { color: var(--accent); }

.crop-canvas-wrap {
  position: relative;
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0d18;
  min-height: 300px;
  max-height: 60vh;
}

#cropCanvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.crop-overlay-ui {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.crop-mask {
  pointer-events: all;
  position: relative;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.6);
}

.crop-box {
  position: absolute;
  border: 2px solid var(--cyan);
  cursor: move;
  box-sizing: border-box;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.5);
}

.crop-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  background: white;
  border: 1px solid var(--cyan);
  border-radius: 2px;
}

.crop-corner.nw { top: -6px; left: -6px; cursor: nw-resize; }
.crop-corner.ne { top: -6px; right: -6px; cursor: ne-resize; }
.crop-corner.sw { bottom: -6px; left: -6px; cursor: sw-resize; }
.crop-corner.se { bottom: -6px; right: -6px; cursor: se-resize; }
.crop-corner.n { top: -6px; left: 50%; transform: translateX(-50%); cursor: n-resize; }
.crop-corner.s { bottom: -6px; left: 50%; transform: translateX(-50%); cursor: s-resize; }
.crop-corner.w { left: -6px; top: 50%; transform: translateY(-50%); cursor: w-resize; }
.crop-corner.e { right: -6px; top: 50%; transform: translateY(-50%); cursor: e-resize; }

.crop-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.crop-cancel-btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--bg-card);
  color: var(--fg);
  transition: all 0.2s;
}
.crop-cancel-btn:hover { border-color: rgba(255,255,255,0.2); }

.crop-apply-btn {
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  color: white;
  transition: all 0.2s;
}
.crop-apply-btn:hover { filter: brightness(1.15); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .app-nav { display: none; }
}