/* ==========================================================================
   Image Optimizer - Minimalist Modern CSS
   ========================================================================== */

:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --border: #e2e8f0;
  --border-focus: #6366f1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --success: #10b981;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-container {
  max-width: 100%;
  margin: 0;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  color: var(--text-main);
  background: var(--bg-subtle);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
}

.btn-logout {
  color: var(--danger);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-logout:hover {
  background: var(--danger-light);
}

/* ==========================================================================
   Layout & Containers
   ========================================================================== */
.main-content {
  flex: 1;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 1.75rem 2rem;
}

.page-header {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.page-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Cards & Panels
   ========================================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Dropzone Uploader
   ========================================================================== */
.dropzone-box {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  background: #fafafa;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.dropzone-box:hover,
.dropzone-box.dragover {
  border-color: var(--primary);
  background: #f5f3ff;
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.dropzone-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.format-pills {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.format-pill {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

/* ==========================================================================
   Upload Controls & Settings Bar
   ========================================================================== */
.controls-grid {
  display: grid;
  grid-template-columns: 1.4fr auto auto auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
}

@media (max-width: 992px) {
  .controls-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .controls-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.control-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.control-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.range-slider {
  flex: 1;
  accent-color: var(--primary);
  height: 6px;
  border-radius: 3px;
  cursor: pointer;
}

.number-badge {
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  min-width: 68px;
  text-align: center;
  color: var(--primary);
}

/* Checkbox Toggle Switch */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-main);
}

.custom-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-outline {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--bg-subtle);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.825rem;
}

.btn-danger-sm {
  background: var(--danger-light);
  color: var(--danger);
  border: none;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger-sm:hover {
  background: var(--danger);
  color: white;
}

/* ==========================================================================
   Queue & Progress Section
   ========================================================================== */
.queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--bg-subtle);
  border-radius: 9999px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), #818cf8);
  transition: width 0.3s ease;
}

.queue-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  gap: 1rem;
}

.queue-file-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.queue-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #e2e8f0;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.queue-texts {
  min-width: 0;
  flex: 1;
}

.queue-name {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.queue-meta {
  font-size: 0.775rem;
  color: var(--text-muted);
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.status-pending {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.status-processing {
  background: var(--warning-light);
  color: var(--warning);
}

.status-done {
  background: var(--success-light);
  color: var(--success);
}

.status-error {
  background: var(--danger-light);
  color: var(--danger);
}

/* ==========================================================================
   Table & Media View
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.media-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.media-table th {
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.media-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.media-table tr:last-child td {
  border-bottom: none;
}

.media-table tr:hover {
  background: #fafbfc;
}

.table-thumb {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.2s;
}

.table-thumb:hover {
  transform: scale(1.08);
}

.url-box {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  max-width: 480px;
}

.url-input {
  font-size: 0.8rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  color: var(--text-muted);
  width: 100%;
  outline: none;
  font-family: monospace;
}

.btn-copy {
  padding: 0.3rem 0.6rem;
  font-size: 0.775rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-copy:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-copy.copied {
  background: var(--success);
  color: white;
  border-color: var(--success);
}

.savings-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  background: var(--success-light);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  margin-left: 0.3rem;
}

/* ==========================================================================
   Modals & Lightbox
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: block;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  color: white;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  transition: var(--transition);
  background: var(--bg-card);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--text-main);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideIn 0.3s ease;
}

.toast.toast-success {
  background: #065f46;
}

.toast.toast-error {
  background: #991b1b;
}

@keyframes slideIn {
  from { transform: translateX(50px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-card);
  margin-top: auto;
}

/* ==========================================================================
   Logs & Terminal Console
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.log-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.log-tab-btn {
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.log-tab-btn:hover {
  color: var(--primary);
}

.log-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.log-terminal {
  background: #0f172a;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid #1e293b;
}

.terminal-header {
  background: #1e293b;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  color: #94a3b8;
  font-family: monospace;
  font-size: 0.825rem;
  letter-spacing: 0.05em;
}

.terminal-body {
  margin: 0;
  padding: 1.25rem;
  color: #38bdf8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  max-height: 520px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  background: #0f172a;
}