/* ========================================================
   FLIP ADMIN STYLESHEET (Mobile First, 375px baseline)
   Strict Spacing Scale: 4px, 8px, 16px, 24px, 32px, 48px, 64px
   Touch Targets: Minimum 44x44px
   Typography: Minimum 16px on inputs to prevent iOS mobile zoom
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --space-4: 4px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;

  --color-bg-base: #090a0d;
  --color-bg-surface: #12141a;
  --color-bg-subtle: #191c24;
  --color-bg-active: #20242f;

  --color-border-subtle: #252833;
  --color-border-strong: #3b3f4f;
  --color-border-focus: #f2f4f8;

  --color-text-primary: #f2f4f8;
  --color-text-secondary: #9da4b4;
  --color-text-muted: #747b8c;

  --color-action-bg: #f2f4f8;
  --color-action-text: #090a0d;

  --color-status-published: #22c55e;
  --color-status-draft: #eab308;
  --color-status-danger: #ef4444;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --min-touch-size: 44px;
  --border-radius: 6px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-24);
    padding-right: var(--space-24);
  }
}

/* Header */
.admin-header {
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-bg-base);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--border-radius);
  color: var(--color-text-secondary);
}

/* Login Card Screen */
.auth-wrapper {
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
}

.auth-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  padding: var(--space-24);
  max-width: 420px;
  margin: 0 auto;
}

.auth-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: var(--space-8);
  letter-spacing: -0.01em;
}

.auth-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-24);
}

/* Form Controls - strictly 44px+ and 16px text */
.form-group {
  margin-bottom: var(--space-16);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  min-height: var(--min-touch-size);
  padding: 0 var(--space-16);
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  color: var(--color-text-primary);
  font-size: 16px;
  font-family: inherit;
  outline: none;
}

.form-textarea {
  min-height: 96px;
  padding: var(--space-8) var(--space-16);
  resize: vertical;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-border-focus);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: var(--min-touch-size);
  padding: 0 var(--space-24);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--border-radius);
  user-select: none;
}

.btn-primary {
  background: var(--color-action-bg);
  color: var(--color-action-text);
  border: 1px solid var(--color-action-bg);
}

.btn-primary:active {
  background: #d6dae3;
  transform: translateY(1px);
}

.btn-secondary {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
}

.btn-secondary:active {
  background: var(--color-bg-subtle);
  transform: translateY(1px);
}

.btn-danger {
  background: transparent;
  color: var(--color-status-danger);
  border: 1px solid #7f1d1d;
}

.btn-danger:active {
  background: #450a0a;
}

.btn-sm {
  min-height: 36px;
  padding: 0 var(--space-16);
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* Notification Messages */
.banner-alert {
  padding: var(--space-16);
  border-radius: var(--border-radius);
  font-size: 14px;
  margin-bottom: var(--space-16);
  display: none;
}

.banner-alert.visible {
  display: block;
}

.banner-error {
  background: #2b1111;
  border: 1px solid #7f1d1d;
  color: #fca5a5;
}

.banner-success {
  background: #0f2e1b;
  border: 1px solid #166534;
  color: #86efac;
}

/* Admin Dashboard Sections */
.admin-panel {
  padding-top: var(--space-24);
  padding-bottom: var(--space-48);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
}

.panel-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

/* Navigation Tabs */
.tabs-bar {
  display: flex;
  gap: var(--space-8);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-24);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  min-height: var(--min-touch-size);
  padding: 0 var(--space-16);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

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

/* Dropzone & Mobile Camera Picker */
.upload-dropzone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--border-radius);
  padding: var(--space-32) var(--space-16);
  text-align: center;
  background: var(--color-bg-surface);
  cursor: pointer;
  margin-bottom: var(--space-24);
}

.upload-dropzone:active {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-focus);
}

.dropzone-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.dropzone-sub {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Upload Progress Bar */
.progress-container {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  padding: var(--space-16);
  margin-bottom: var(--space-24);
  display: none;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: var(--space-8);
}

.progress-track {
  height: 8px;
  background: var(--color-bg-base);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--color-status-published);
  transition: width 0.2s ease;
}

/* Item Management Card */
.admin-item-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  padding: var(--space-16);
  margin-bottom: var(--space-16);
}

.item-card-top {
  display: flex;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.item-thumb-preview {
  width: 80px;
  height: 60px;
  background: #000;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

.item-meta {
  flex-grow: 1;
}

.item-title-text {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}

.item-desc-text {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.status-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 2px var(--space-8);
  border-radius: 4px;
  text-transform: uppercase;
  margin-top: var(--space-4);
}

.status-published {
  background: #143521;
  color: #4ade80;
}

.status-draft {
  background: #3d2b07;
  color: #facc15;
}

/* Touch Action Controls */
.item-actions-row {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-16);
}