/* ═══════════════════════════════════════════════════════════════════
   PasteKon — main stylesheet
   Catppuccin Mocha-inspired dark theme
   ═══════════════════════════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --bg:        #1e1e2e;
  --mantle:    #181825;
  --crust:     #11111b;
  --surface0:  #313244;
  --surface1:  #45475a;
  --surface2:  #585b70;
  --overlay0:  #6c7086;
  --overlay1:  #7f849c;
  --overlay2:  #9399b2;
  --subtext1:  #a6adc8;
  --text:      #cdd6f4;

  --lavender:  #b4befe;
  --blue:      #89b4fa;
  --sapphire:  #74c7ec;
  --sky:       #89dceb;
  --teal:      #94e2d5;
  --green:     #a6e3a1;
  --yellow:    #f9e2af;
  --peach:     #fab387;
  --maroon:    #eba0ac;
  --red:       #f38ba8;
  --mauve:     #cba6f7;
  --pink:      #f5c2e7;
  --flamingo:  #f2cdcd;
  --rosewater: #f5e0dc;

  /* Semantic aliases */
  --accent:        var(--mauve);
  --accent-dim:    #9f7ae0;
  --border:        var(--surface0);
  --border-focus:  var(--mauve);
  --muted:         var(--overlay0);
  --success:       var(--green);
  --warning:       var(--yellow);
  --danger:        var(--red);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;

  --shadow:    0 4px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.55);

  --font-ui:   'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: .15s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--lavender); }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 860px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

main { flex: 1; padding: 2.5rem 0 4rem; }

/* ── Header ── */
header {
  background: var(--mantle);
  border-bottom: 1px solid var(--border);
  padding: .85rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.logo span { color: var(--text); }

nav { display: flex; align-items: center; gap: .75rem; }

.nav-link {
  font-size: .85rem;
  font-weight: 500;
  color: var(--overlay2);
  padding: .3rem .65rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--surface0); }
.nav-link.active { color: var(--accent); }
.nav-link-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: .85rem;
  font-weight: 500;
  color: var(--overlay2);
  padding: .3rem .65rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link-btn:hover { color: var(--text); background: var(--surface0); }
.nav-link-primary { color: var(--accent) !important; }

/* ── Footer ── */
footer {
  background: var(--mantle);
  border-top: 1px solid var(--border);
  padding: 1.1rem 0;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
}
footer a { color: var(--overlay1); }
footer a:hover { color: var(--accent); }

/* ── Cards ── */
.card {
  background: var(--mantle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.card-sm {
  background: var(--mantle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

/* ── Typography ── */
h1 { font-size: 1.6rem; font-weight: 600; color: var(--text); }
h2 { font-size: 1.2rem; font-weight: 600; color: var(--text); }
h3 { font-size: 1rem;   font-weight: 600; color: var(--subtext1); }

.section-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--overlay0);
  margin-bottom: .5rem;
}

/* ── Form Elements ── */
.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: var(--subtext1);
  margin-bottom: .4rem;
}

input[type="text"],
input[type="password"],
select,
textarea {
  width: 100%;
  background: var(--surface0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .9rem;
  padding: .6rem .85rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(203,166,247,.15);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239399b2' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.2rem;
  cursor: pointer;
}

textarea {
  font-family: var(--font-mono);
  font-size: .875rem;
  resize: vertical;
  min-height: 320px;
  line-height: 1.65;
}

/* ── Toggle / Checkbox ── */
.toggle-group {
  display: flex;
  align-items: center;
  gap: .65rem;
  cursor: pointer;
  user-select: none;
}
.toggle-group input[type="checkbox"] {
  appearance: none;
  width: 38px;
  height: 21px;
  background: var(--surface1);
  border: 1px solid var(--surface2);
  border-radius: 99px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  flex-shrink: 0;
  padding: 0;
}
.toggle-group input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 13px;
  height: 13px;
  background: var(--overlay0);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}
.toggle-group input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.toggle-group input[type="checkbox"]:checked::after {
  transform: translateX(17px);
  background: #fff;
}
.toggle-label {
  font-size: .88rem;
  color: var(--subtext1);
}
.toggle-label strong { color: var(--text); }

/* ── Options Grid ── */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.option-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  transition: border-color var(--transition);
}
.option-card:has(input:checked) {
  border-color: var(--accent);
}
.option-card .toggle-label small {
  display: block;
  color: var(--muted);
  font-size: .78rem;
  margin-top: .15rem;
  font-weight: 400;
}

/* Collapsible option inner fields */
.option-extra {
  display: none;
  margin-top: .85rem;
  padding-top: .85rem;
  border-top: 1px solid var(--border);
}
.option-extra.visible { display: block; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: .88rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: var(--crust);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--lavender);
  border-color: var(--lavender);
  color: var(--crust);
  box-shadow: 0 0 20px rgba(203,166,247,.3);
}

.btn-secondary {
  background: var(--surface0);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--surface1); border-color: var(--surface2); }

.btn-ghost {
  background: transparent;
  color: var(--overlay2);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface0); color: var(--text); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: var(--crust); }

.btn-sm { padding: .35rem .8rem; font-size: .8rem; }
.btn-lg { padding: .75rem 2rem; font-size: .95rem; }

.btn-group { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* ── Alerts / Notices ── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  margin-bottom: 1rem;
}
.alert-error   { background: rgba(243,139,168,.1); border: 1px solid rgba(243,139,168,.35); color: var(--red); }
.alert-warning { background: rgba(249,226,175,.1); border: 1px solid rgba(249,226,175,.35); color: var(--yellow); }
.alert-success { background: rgba(166,227,161,.1); border: 1px solid rgba(166,227,161,.35); color: var(--green); }
.alert-info    { background: rgba(137,180,250,.1); border: 1px solid rgba(137,180,250,.35); color: var(--blue); }

/* ── Badge / Pill ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .6rem;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .03em;
}
.badge-purple { background: rgba(203,166,247,.15); color: var(--mauve); }
.badge-blue   { background: rgba(137,180,250,.15); color: var(--blue); }
.badge-green  { background: rgba(166,227,161,.15); color: var(--green); }
.badge-yellow { background: rgba(249,226,175,.15); color: var(--yellow); }
.badge-red    { background: rgba(243,139,168,.15); color: var(--red); }
.badge-gray   { background: var(--surface0); color: var(--overlay2); }

/* ── Paste meta bar ── */
.paste-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  margin-bottom: 1rem;
  font-size: .83rem;
  color: var(--overlay1);
}
.paste-meta .sep { color: var(--surface2); }

/* ── Paste content area ── */
.paste-wrapper {
  background: var(--crust);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.paste-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .6rem 1rem;
  background: var(--mantle);
  border-bottom: 1px solid var(--border);
  font-size: .8rem;
  color: var(--overlay1);
}
.paste-header .lang-label { font-family: var(--font-mono); }

.paste-body {
  overflow-x: auto;
}

pre.paste-code, pre#paste-code {
  margin: 0 !important;
  padding: 1.25rem !important;
  background: transparent !important;
  font-family: var(--font-mono) !important;
  font-size: .86rem !important;
  line-height: 1.7 !important;
  tab-size: 4;
}

pre.paste-code code, pre#paste-code code {
  font-family: inherit !important;
  font-size: inherit !important;
  background: transparent !important;
  padding: 0 !important;
}

/* Line numbers */
.with-line-numbers {
  display: grid;
  grid-template-columns: auto 1fr;
}
.line-numbers-gutter {
  padding: 1.25rem .75rem;
  border-right: 1px solid var(--surface0);
  background: var(--mantle);
  text-align: right;
  font-family: var(--font-mono);
  font-size: .86rem;
  line-height: 1.7;
  color: var(--surface2);
  user-select: none;
  min-width: 3.2rem;
}

/* ── Decrypt overlay ── */
.decrypt-overlay {
  padding: 2.5rem;
  text-align: center;
}
.decrypt-overlay h3 {
  font-size: 1rem;
  margin-bottom: .35rem;
  color: var(--yellow);
}
.decrypt-overlay p { font-size: .85rem; color: var(--overlay1); margin-bottom: 1.2rem; }
.decrypt-row {
  display: flex;
  gap: .5rem;
  max-width: 420px;
  margin: 0 auto;
}
.decrypt-row input { flex: 1; }

/* ── Secret key reveal (post-create) ── */
.key-box {
  background: var(--crust);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-family: var(--font-mono);
  font-size: .88rem;
  color: var(--accent);
  word-break: break-all;
  cursor: text;
  user-select: all;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* ── Page title area ── */
.page-heading {
  margin-bottom: 1.75rem;
}
.page-heading h1 { margin-bottom: .3rem; }
.page-heading p { color: var(--overlay1); font-size: .9rem; }

/* ── Toolbar above code ── */
.paste-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}
.paste-title-area h1 {
  font-size: 1.35rem;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .card { padding: 1.25rem; }
  .options-grid { grid-template-columns: 1fr; }
  .btn-lg { width: 100%; justify-content: center; }
  .paste-toolbar { flex-direction: column; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--mantle); }
::-webkit-scrollbar-thumb { background: var(--surface1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--surface2); }

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--surface2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .65s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }