/* ─── Reset & Variables ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --surface2:  #22263a;
  --border:    #2e3250;
  --accent:    #7c6af7;
  --accent2:   #a78bfa;
  --accent-bg: rgba(124,106,247,.12);
  --text:      #e8eaf6;
  --text2:     #9095b4;
  --green:     #22c55e;
  --red:       #f43f5e;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,.45);
  --trans:     .18s ease;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ─── Scrollbar ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Topbar ────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}

.topbar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.topbar .logo .logo-icon {
  font-size: 1.5rem;
}

.topbar nav a {
  color: var(--text2);
  text-decoration: none;
  font-size: .9rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--trans), color var(--trans);
}

.topbar nav a:hover, .topbar nav a.active {
  background: var(--accent-bg);
  color: var(--accent2);
}

/* ─── Layout ────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  height: calc(100vh - 60px);
  overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 20px 20px 12px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text2);
}

.category-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 10px 16px;
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text2);
  font-size: .95rem;
  text-align: left;
  transition: background var(--trans), color var(--trans);
  margin-bottom: 2px;
}

.category-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

.category-btn.active {
  background: var(--accent-bg);
  color: var(--accent2);
  font-weight: 600;
}

.category-btn .cat-icon { font-size: 1.3rem; }
.category-btn .cat-count {
  margin-left: auto;
  font-size: .75rem;
  background: var(--surface2);
  color: var(--text2);
  padding: 2px 7px;
  border-radius: 20px;
}
.category-btn.active .cat-count {
  background: var(--accent-bg);
  color: var(--accent2);
}

/* ─── Main Content ──────────────────────────────────────────────────────── */
.main {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.main-header {
  margin-bottom: 24px;
}

.main-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
}

.main-header p {
  color: var(--text2);
  margin-top: 4px;
  font-size: .9rem;
}

/* ─── Prompt Grid ───────────────────────────────────────────────────────── */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}

/* ─── Prompt Card ───────────────────────────────────────────────────────── */
.prompt-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--trans), box-shadow var(--trans);
}

.prompt-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.prompt-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.prompt-title {
  font-weight: 600;
  font-size: .95rem;
  color: var(--text);
}

.copy-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent-bg);
  border: 1px solid transparent;
  color: var(--accent2);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--trans), border-color var(--trans), transform .1s;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.copy-btn:active { transform: scale(.96); }

.copy-btn.copied {
  background: rgba(34,197,94,.15);
  color: var(--green);
  border-color: var(--green);
}

.prompt-text {
  font-size: .88rem;
  color: var(--text2);
  line-height: 1.65;
  flex: 1;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  border: 1px solid var(--border);
  word-break: break-word;
}

/* ─── Empty / Loading States ────────────────────────────────────────────── */
.state-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text2);
  gap: 14px;
  text-align: center;
}

.state-message .state-icon { font-size: 3rem; opacity: .5; }
.state-message h3 { font-size: 1.1rem; font-weight: 600; }
.state-message p { font-size: .88rem; }

/* Loading spinner */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Admin Page ────────────────────────────────────────────────────────── */
.admin-wrap {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 24px 60px;
}

.admin-wrap h1 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.admin-wrap .subtitle {
  color: var(--text2);
  margin-bottom: 30px;
  font-size: .9rem;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 30px;
  gap: 4px;
}

.tab-btn {
  padding: 10px 22px;
  border: none;
  background: none;
  color: var(--text2);
  font-size: .95rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--trans), border-color var(--trans);
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent2); border-bottom-color: var(--accent2); font-weight: 600; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Login box */
.login-box {
  max-width: 380px;
  margin: 80px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  text-align: center;
}

.login-box h2 { margin-bottom: 6px; }
.login-box p { color: var(--text2); font-size: .88rem; margin-bottom: 24px; }

/* Forms */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-row.single { grid-template-columns: 1fr; }

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

.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .92rem;
  padding: 10px 14px;
  font-family: inherit;
  transition: border-color var(--trans);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,106,247,.15);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-group select option { background: var(--surface2); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--trans), transform .1s;
}

.btn:hover { opacity: .9; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-danger  { background: var(--red); color: #fff; }
.btn-ghost   { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }

/* Card with section header */
.section-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
}

.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.section-card-header h3 { font-size: 1rem; font-weight: 700; }

.section-card-body { padding: 22px; }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

.data-table tr:hover td { background: var(--surface2); }

.data-table .actions { display: flex; gap: 8px; }

.btn-sm {
  padding: 5px 12px;
  font-size: .8rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: .9rem;
  color: var(--text);
  box-shadow: var(--shadow);
  animation: slideIn .25s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(30px); }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 500;
  display: none; /* JS sets to flex, then adds .is-open for transition */
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .2s ease;
}

.modal-overlay.is-open {
  opacity: 1;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow);
  transform: translateY(12px) scale(.98);
  transition: transform .22s ease, opacity .22s ease;
  opacity: 0;
}

.modal-overlay.is-open .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal h3 { font-size: 1.15rem; margin-bottom: 6px; }
.modal .modal-sub { color: var(--text2); font-size: .85rem; margin-bottom: 22px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* ─── Prompt text truncation ────────────────────────────────────────────── */
.prompt-text-truncated {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text2);
  font-size: .85rem;
}

/* ─── Search bar ────────────────────────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.search-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .9rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--trans);
  font-family: inherit;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,106,247,.15);
}

.search-input::placeholder { color: var(--text2); }

/* ─── Copy Banner ───────────────────────────────────────────────────────── */
#copy-banner {
  position: fixed;
  top: 72px;             /* just below topbar */
  left: 50%;
  transform: translateX(-50%) translateY(-130%);
  background: #22c55e;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: 50px;
  box-shadow: 0 6px 32px rgba(34,197,94,.5), 0 2px 10px rgba(0,0,0,.35);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  pointer-events: none;
  white-space: nowrap;
  transition: transform .3s cubic-bezier(.34,1.45,.64,1);
}

#copy-banner.copy-banner-in {
  transform: translateX(-50%) translateY(0);
}

#copy-banner.copy-banner-out {
  transform: translateX(-50%) translateY(-130%);
  transition: transform .3s ease-in;
}

#copy-banner .copy-banner-icon {
  font-size: 1.2rem;
  background: rgba(255,255,255,.3);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .layout { flex-direction: column; height: auto; }
  .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .category-list { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; overflow-y: visible; }
  .category-btn { width: auto; flex-direction: column; gap: 4px; padding: 10px 12px; font-size: .82rem; }
  .main { padding: 20px 16px; }
  .prompt-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}