@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Orbitron:wght@500;600;700;800;900&display=swap");

:root {
  --bg-root: #000000;
  --bg-app: #0a0a0a;
  --bg-panel: #111111;
  --bg-card: #141414;
  --bg-input: #0d0d0d;
  --border: #262626;
  --border-glow: rgba(250, 204, 21, 0.35);
  --text: #ffffff;
  --muted: #888888;
  --yellow: #facc15;
  --yellow-dim: #ca8a04;
  --green: #10b981;
  --red: #ef4444;
  --orange: #f59e0b;
  --radius: 10px;
  --radius-sm: 8px;
  --sidebar-w: 280px;
  --font: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-heading: "Orbitron", system-ui, sans-serif;
}

/* Headings & title-style labels */
h1,
h2,
h3,
.login-title,
.sidebar-brand,
.top-bar h1,
.section-title,
.stat-card .label {
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
}

.top-bar h1,
.login-title {
  letter-spacing: 0.02em;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background: var(--bg-app);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* Explains server-side USB detection (browser never talks to modems directly) */
.infra-banner {
  padding: 12px 20px;
  font-size: 13px;
  line-height: 1.5;
  color: #e7e7e7;
  background: #1a1508;
  border-bottom: 1px solid rgba(250, 204, 21, 0.35);
}

.infra-banner strong {
  color: var(--yellow);
  font-weight: 600;
}

.infra-banner-wsl {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #ccc;
}

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

/* ----- Login ----- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-root);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 40px 36px;
  border-radius: 16px;
  border: 1px solid rgba(250, 204, 21, 0.25);
  box-shadow: 0 0 40px rgba(250, 204, 21, 0.08);
  background: var(--bg-root);
}

.login-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.login-title .w {
  color: var(--text);
}

.login-title .y {
  color: var(--yellow);
}

.login-sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 28px;
}

.login-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--yellow);
  background: var(--bg-root);
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.15);
}

.login-input:focus {
  box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.35);
}

.login-error {
  color: var(--red);
  font-size: 13px;
  margin: 10px 0 0;
}

.login-btn {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--yellow);
  color: #000;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  font-family: var(--font);
}

.login-btn:hover {
  filter: brightness(1.05);
}

/* ----- App shell ----- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-root);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.sidebar-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0 10px 24px;
  font-weight: 700;
  font-size: 17px;
}

.sidebar-brand .ver {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.sidebar-brand .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
  display: inline-block;
  margin-left: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  border-left: 3px solid transparent;
}

.nav-item svg {
  flex-shrink: 0;
  opacity: 0.85;
}

.nav-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: var(--yellow);
  background: rgba(250, 204, 21, 0.12);
  border-left-color: var(--yellow);
}

.nav-item.active.compose-solid {
  background: var(--yellow);
  color: #000;
  border-left-color: transparent;
}

.nav-item.active.compose-solid svg {
  stroke: #000;
}

.nav-badge {
  margin-left: auto;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--yellow);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 12px 8px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-footer .dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-app);
}

.top-bar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stats-row {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--muted);
}

.stats-row strong {
  font-weight: 600;
}

.stats-row .s-sent {
  color: var(--green);
}
.stats-row .s-recv {
  color: var(--yellow);
}
.stats-row .s-fail {
  color: var(--red);
}
.stats-row .s-queue {
  color: var(--text);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.live-badge .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

.content-area {
  padding: 24px 28px 40px;
  flex: 1;
}

/* Cards & tables */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-yellow {
  border-color: rgba(250, 204, 21, 0.35);
  box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.06);
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 1100px) {
  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.stat-card.sent .value {
  color: var(--green);
}
.stat-card.recv .value {
  color: var(--yellow);
}
.stat-card.fail .value {
  color: var(--red);
}
.stat-card.queue .value {
  color: var(--orange);
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 12px;
}

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead {
  background: var(--bg-panel);
}

.data-table th {
  text-align: left;
  padding: 12px 14px;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: #e5e5e5;
  vertical-align: middle;
}

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

.empty-cell {
  text-align: center;
  padding: 48px 20px !important;
  color: var(--muted);
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

.search-input::placeholder {
  color: #555;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
}

.btn:hover {
  background: #1a1a1a;
}

.btn-primary {
  background: var(--yellow);
  color: #000;
  border-color: var(--yellow);
  font-weight: 700;
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
}

.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
}

.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.pill-sent {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
}
.pill-queued {
  background: rgba(245, 158, 11, 0.15);
  color: var(--orange);
}
.pill-failed {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}
.pill-recv {
  background: rgba(250, 204, 21, 0.12);
  color: var(--yellow);
}

.compose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .compose-grid {
    grid-template-columns: 1fr;
  }
}

/* Compose page: clearer columns + tidy bulk panel */
.compose-col {
  display: flex;
  flex-direction: column;
}

.compose-col-head {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.compose-col-title {
  margin-bottom: 6px !important;
}

.compose-col-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  font-weight: 400;
}

.compose-col-desc strong {
  color: #aaa;
  font-weight: 600;
}

.compose-form {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.compose-field-gap {
  margin-top: 14px;
}

.compose-textarea-sm {
  min-height: 120px;
}

.form-optional {
  font-weight: 500;
  color: #6b6b6b;
}

.btn-compose-submit {
  width: 100%;
  margin-top: 20px;
  padding: 14px 16px;
  justify-content: center;
  font-size: 14px;
}

/* Bulk: tabs (CSV vs paste) — only one block visible */
.bulk-tabs {
  position: relative;
}

.bulk-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.bulk-tab-bar {
  display: flex;
  gap: 6px;
  padding: 5px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
}

.bulk-tab-btn {
  flex: 1;
  text-align: center;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  border: 1px solid transparent;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

#bulk_tab_csv:checked ~ .bulk-tab-bar label[for="bulk_tab_csv"],
#bulk_tab_paste:checked ~ .bulk-tab-bar label[for="bulk_tab_paste"] {
  background: rgba(250, 204, 21, 0.14);
  color: var(--yellow);
  border-color: rgba(250, 204, 21, 0.4);
}

.bulk-panels {
  margin-top: 12px;
  min-height: 0;
}

.bulk-panel-csv,
.bulk-panel-paste {
  display: none;
}

#bulk_tab_csv:checked ~ .bulk-panels .bulk-panel-csv {
  display: block;
}

#bulk_tab_paste:checked ~ .bulk-panels .bulk-panel-paste {
  display: block;
}

.bulk-hint {
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
  margin: 0 0 10px;
}

.bulk-hint code {
  font-size: 11px;
  color: var(--yellow-dim);
}

.drop-zone-compact {
  padding: 22px 16px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  line-height: 1.4;
}

.drop-zone-title {
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}

.drop-zone-sub {
  font-size: 12px;
  color: var(--muted);
}

.bulk-paste-area {
  min-height: 130px;
  margin-bottom: 0;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 13px;
  line-height: 1.5;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.char-count {
  text-align: right;
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 16px;
  cursor: pointer;
  background: var(--bg-input);
}

.drop-zone input[type="file"] {
  display: none;
}

.settings-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-key {
  color: var(--muted);
}

.settings-val {
  font-weight: 600;
  color: var(--text);
}

.muted-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 16px;
}

/* Toasts */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: #1a1a1a;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  animation: toast-in 0.25s ease;
}

.toast.ok {
  border-color: rgba(16, 185, 129, 0.4);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reply-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.reply-form input {
  flex: 1;
  min-width: 140px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
}

.reply-form button {
  padding: 8px 12px;
  border-radius: 6px;
  border: 0;
  background: var(--yellow);
  color: #000;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
}