:root {
  --bg: #0f1117;
  --bg-soft: #151824;
  --card: #1a1e2b;
  --card-hover: #202537;
  --border: #2a2f42;
  --text: #eef0f7;
  --text-dim: #9aa0b4;
  --text-faint: #656c85;
  --accent-1: #f58529;
  --accent-2: #dd2a7b;
  --accent-3: #8134af;
  --accent-4: #515bd4;
  --gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2) 45%, var(--accent-3) 75%, var(--accent-4));
  --success: #2ecc71;
  --warning: #f5b942;
  --danger: #e5484d;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
}

::selection {
  background: var(--accent-2);
  color: #fff;
}

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 4px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 17px;
  letter-spacing: 0.2px;
}

.brand-text span {
  font-size: 11.5px;
  color: var(--text-faint);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 14.5px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav a i {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.nav a:hover {
  background: var(--card);
  color: var(--text);
}

.nav a.active {
  background: var(--card);
  color: #fff;
  box-shadow: inset 3px 0 0 0;
  box-shadow: inset 3px 0 0 var(--accent-2);
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-faint);
  line-height: 1.5;
}

.main {
  padding: 28px 36px 60px;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar h1 {
  font-size: 22px;
  margin: 0 0 4px;
}

.topbar p {
  margin: 0;
  color: var(--text-faint);
  font-size: 13.5px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.card h2 {
  font-size: 15px;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card h2 i {
  color: var(--accent-2);
  font-size: 14px;
}

/* ---------- Upload page layout ---------- */
.upload-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
  align-items: start;
}

.upload-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--accent-2);
  background: rgba(221, 42, 123, 0.06);
}

.dropzone i {
  font-size: 28px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
  display: inline-block;
}

.dropzone strong {
  display: block;
  font-size: 14.5px;
  margin-bottom: 4px;
}

.dropzone span {
  font-size: 12.5px;
  color: var(--text-faint);
}

.dropzone input[type="file"] {
  display: none;
}

.file-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.file-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.file-thumb img,
.file-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-thumb .remove-file {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  border: none;
  color: #fff;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-thumb .badge-type {
  position: absolute;
  bottom: 4px;
  left: 4px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 9.5px;
  padding: 2px 5px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.field {
  margin-bottom: 16px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 7px;
}

.field textarea,
.field input[type="text"],
.field input[type="datetime-local"],
.field select {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-size: 13.5px;
  font-family: inherit;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

.field textarea:focus,
.field input:focus,
.field select:focus {
  border-color: var(--accent-2);
}

.field .hint {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 6px;
}

.ai-caption-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 18px;
}

.ai-suggestions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.ai-suggestion-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.ai-suggestion-card p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
}

.ai-suggestion-card .tags {
  color: #6bb1ff;
  font-size: 11.5px;
  margin-bottom: 10px;
  word-break: break-word;
}

.char-count {
  font-size: 11px;
  color: var(--text-faint);
  text-align: right;
  margin-top: 4px;
}

.platform-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.chip i {
  font-size: 13px;
}

.chip.active {
  color: #fff;
  border-color: transparent;
  background: var(--gradient);
}

.chip[data-platform="instagram"].active {
  background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af);
}
.chip[data-platform="tiktok"].active {
  background: #010101;
  border: 1px solid #25f4ee;
}
.chip[data-platform="facebook"].active {
  background: #1877f2;
}
.chip[data-platform="twitter"].active {
  background: #000;
  border: 1px solid #333;
}
.chip[data-platform="youtube"].active {
  background: #ff0000;
}

.schedule-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.status-toggle {
  display: flex;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.status-toggle button {
  flex: 1;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.status-toggle button.active {
  background: var(--card-hover);
  color: #fff;
  box-shadow: 0 0 0 1px var(--border);
}

.actions-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.1s, opacity 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  flex: 1;
  justify-content: center;
}

.btn-ghost {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-danger {
  background: rgba(229, 72, 77, 0.12);
  color: var(--danger);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Preview mockup ---------- */
.preview-card {
  position: sticky;
  top: 28px;
}

.preview-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.preview-tabs button {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-faint);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
}

.preview-tabs button.active {
  color: #fff;
  border-color: var(--accent-2);
  background: rgba(221, 42, 123, 0.12);
}

.mockup {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  max-width: 340px;
  margin: 0 auto;
}

.mockup-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: #16181f;
}

.mockup-head img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.mockup-head strong {
  font-size: 12.5px;
  display: block;
}

.mockup-head span {
  font-size: 10.5px;
  color: var(--text-faint);
}

.mockup-media {
  width: 100%;
  aspect-ratio: 1;
  background: #0c0d12 url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23444"><rect x="3" y="3" width="18" height="18" rx="2"/><circle cx="8.5" cy="8.5" r="1.5"/><path d="M21 15l-5-5L5 21"/></svg>') center/48px no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.mockup-media img,
.mockup-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mockup[data-platform="tiktok"] .mockup-media,
.mockup[data-platform="youtube"] .mockup-media {
  aspect-ratio: 9/16;
}

.mockup-actions {
  display: flex;
  gap: 14px;
  padding: 10px 14px 4px;
  color: var(--text-dim);
  font-size: 15px;
}

.mockup-caption {
  padding: 6px 14px 16px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
  word-break: break-word;
}

.mockup-caption strong {
  color: var(--text);
  margin-right: 5px;
}

.mockup-caption .tags {
  color: #6bb1ff;
}

.mockup-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 12.5px;
}

.mockup-empty i {
  font-size: 26px;
  display: block;
  margin-bottom: 10px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 26px;
  right: 26px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 50;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast i {
  color: var(--success);
}

/* ---------- Library page ---------- */
.filters-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  align-items: center;
}

.filters-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 13.5px;
  outline: none;
}

.filters-bar select {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-dim);
  font-size: 13px;
  outline: none;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat-card span {
  display: block;
  font-size: 11.5px;
  color: var(--text-faint);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.stat-card strong {
  font-size: 24px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.content-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.content-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-2);
}

.content-thumb {
  aspect-ratio: 1;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}

.content-thumb img,
.content-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
}

.status-badge.draft {
  background: #55596b;
}
.status-badge.scheduled {
  background: var(--warning);
  color: #2b1c00;
}
.status-badge.posted {
  background: var(--success);
  color: #06280f;
}
.status-badge.publishing {
  background: var(--accent-4);
}
.status-badge.failed {
  background: var(--danger);
}

.content-body {
  padding: 12px 14px 14px;
}

.content-caption {
  font-size: 12.5px;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  min-height: 32px;
}

.content-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.platform-icons {
  display: flex;
  gap: 6px;
}

.platform-icons i {
  font-size: 12px;
  color: var(--text-faint);
}

.content-date {
  font-size: 10.5px;
  color: var(--text-faint);
}

.empty-state {
  text-align: center;
  padding: 70px 20px;
  color: var(--text-faint);
  grid-column: 1 / -1;
}

.empty-state i {
  font-size: 34px;
  margin-bottom: 14px;
  display: block;
  opacity: 0.6;
}

.empty-state a {
  color: var(--accent-2);
  font-weight: 600;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 12, 0.7);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  padding: 20px;
}

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

.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(760px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: var(--shadow);
}

.modal-media {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.modal-media img,
.modal-media video {
  width: 100%;
  height: 100%;
  max-height: 88vh;
  object-fit: contain;
}

.modal-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
}

.modal {
  position: relative;
}

.modal-body h3 {
  margin: 0 0 4px;
  font-size: 15px;
}

.modal-body .modal-date {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.modal-footer {
  margin-top: auto;
  display: flex;
  gap: 10px;
  padding-top: 16px;
}

@media (max-width: 860px) {
  .modal {
    grid-template-columns: 1fr;
  }
  .modal-media {
    min-height: 200px;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .upload-grid {
    grid-template-columns: 1fr;
  }
  .preview-card {
    position: static;
  }
}

@media (max-width: 760px) {
  .app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 16px 20px;
    overflow-x: auto;
  }
  .sidebar-footer {
    display: none;
  }
  .nav {
    flex-direction: row;
  }
  .main {
    padding: 20px;
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}