:root {
  --bg-dark: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #8b5cf6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
  --transition: all 0.25s ease-in-out;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

.app-container {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.brand h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 2px;
}

/* Health Badge */
.health-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.825rem;
  font-weight: 600;
  background-color: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--card-border);
}

.health-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-online {
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}
.status-online .dot {
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.status-loading {
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}
.status-loading .dot {
  background-color: #f59e0b;
}

/* Main Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.step-num {
  background: var(--primary);
  color: white;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.required-star {
  color: var(--error);
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--card-border);
  border-radius: var(--radius);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background-color: rgba(15, 23, 42, 0.4);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.05);
}

.drop-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.drop-title {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.drop-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.file-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
}

.file-name {
  font-weight: 600;
  color: #bfdbfe;
}

.file-size {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Grid & Inputs */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.input-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-field label, .logo-upload-wrapper label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

input[type="text"] {
  background-color: var(--bg-dark);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

input[type="text"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Logo Upload */
.logo-upload-wrapper {
  margin-top: 1rem;
}

.logo-picker-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 6px;
}

.logo-preview-box {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  border: 1px dashed var(--card-border);
  background-color: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.logo-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#logoPlaceholder {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  padding: 4px;
}

/* Targets Grid */
.targets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 640px) {
  .targets-grid {
    grid-template-columns: 1fr;
  }
}

.target-card {
  position: relative;
  cursor: pointer;
}

.target-card input[type="checkbox"] {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.target-content {
  background-color: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
}

.target-card input:checked + .target-content {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.1);
}

.target-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.target-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.target-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Modes Grid & Radio Cards */
.modes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .modes-grid {
    grid-template-columns: 1fr;
  }
}

.mode-card {
  position: relative;
  cursor: pointer;
}

.mode-card input[type="radio"] {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.mode-content {
  background-color: rgba(15, 23, 42, 0.4);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: var(--transition);
}

.mode-card input:checked + .mode-content {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.1);
}

.mode-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mode-icon {
  font-size: 1.25rem;
}

.mode-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.mode-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-recommended {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

/* Buttons */
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  padding: 1.1rem;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background-color: rgba(51, 65, 85, 0.6);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--card-border);
}

.btn-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.btn-remove:hover {
  color: var(--error);
}

/* Status Section */
.status-card {
  text-align: center;
  padding: 3rem 2rem;
}

.spinner {
  width: 56px;
  height: 56px;
  border: 4px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin: 0 auto 1.5rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#statusTitle {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

#statusSubtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--bg-dark);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.progress-bar-fill {
  width: 30%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width 0.4s ease;
  animation: progressPulse 2s infinite ease-in-out;
}

@keyframes progressPulse {
  0% { opacity: 0.7; }
  50% { opacity: 1; }
  100% { opacity: 0.7; }
}

.status-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 400px;
  margin: 0 auto;
  text-align: left;
}

.step-item {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 6px;
  background-color: rgba(15, 23, 42, 0.3);
}

.step-item.step-active {
  color: #60a5fa;
  font-weight: 600;
  background-color: rgba(59, 130, 246, 0.15);
  border-left: 3px solid var(--primary);
}

.step-item.step-done {
  color: #34d399;
  text-decoration: line-through;
}

/* Result Section */
.result-card {
  text-align: center;
}

.success-icon {
  font-size: 3.5rem;
  margin-bottom: 0.75rem;
}

.result-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.result-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.job-meta {
  margin-top: 1rem;
  margin-bottom: 2rem;
  display: inline-block;
  background-color: rgba(15, 23, 42, 0.5);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.dl-btn {
  text-decoration: none;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 700;
  transition: var(--transition);
}

.dl-zip-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 1.25rem;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.dl-zip-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.dl-zip-btn .btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.dl-zip-btn .main-text {
  font-size: 1.15rem;
}

.dl-zip-btn .sub-text {
  font-size: 0.8rem;
  opacity: 0.9;
  font-weight: 400;
}

.individual-downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.dl-platform-btn {
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.9rem 1rem;
  font-size: 0.95rem;
}

.dl-platform-btn:hover {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.15);
}

.btn-reset {
  width: 100%;
  padding: 0.85rem;
}

/* Footer */
.app-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding-top: 1rem;
}

.hidden {
  display: none !important;
}

/* --- Degraded health state ------------------------------------------- */
.status-degraded {
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}
.status-degraded .dot {
  background-color: #f59e0b;
  box-shadow: 0 0 10px #f59e0b;
}

/* --- Unavailable build targets ---------------------------------------- */
.target-card.target-unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  filter: grayscale(1);
}
.target-card.target-unavailable .target-content {
  pointer-events: none;
}

/* --- Upload hint ------------------------------------------------------- */
.drop-hint {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.drop-hint code,
.mode-sub code {
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
}

/* --- Live build log ---------------------------------------------------- */
.log-panel {
  margin-top: 1.75rem;
  text-align: left;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: rgba(15, 23, 42, 0.55);
}

.log-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
}

.job-id-chip {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  text-transform: none;
  letter-spacing: 0;
  color: #60a5fa;
}

.log-output {
  margin: 0;
  padding: 0.9rem;
  max-height: 260px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  line-height: 1.55;
  color: #cbd5e1;
  white-space: pre-wrap;
  word-break: break-word;
}

/* --- Failed progress bar ------------------------------------------------ */
.progress-bar-fill.progress-failed {
  background: linear-gradient(90deg, var(--error), #f97316);
  animation: none;
}

/* --- Partial-result note ------------------------------------------------ */
.result-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 158, 11, 0.35);
  background-color: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
  font-size: 0.85rem;
  text-align: left;
}

/* --- Progress readout (percentage + timing) ---------------------------- */
.progress-readout {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.progress-percent {
  font-size: 1.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-main);
  line-height: 1;
}

.progress-timing {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: right;
}

/* --- Per-mode time estimates -------------------------------------------- */
.mode-eta {
  margin-left: auto;
  margin-right: 26px; /* clear of the radio button in the corner */
  font-size: 0.72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--text-muted);
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--card-border);
  cursor: help;
}

.mode-eta.mode-eta-measured {
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.35);
  background-color: rgba(16, 185, 129, 0.1);
}

.mode-eta-note {
  margin-top: 0.75rem;
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--text-muted);
}

#resDuration {
  color: var(--text-muted);
}