/* ══════════════════════════════════════════════════════════════
   E-Signature Portal — Dark Authoritative Theme
   ══════════════════════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --bg: #0c0f15;
  --bg2: #151920;
  --bg3: #1c212b;
  --border: #262d3a;
  --border-light: #323a4a;
  --t1: #e8edf5;
  --t2: #8b95a8;
  --t3: #5c6577;
  --accent: #3b82f6;
  --accent2: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
}

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

html { height: 100%; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--t1);
  height: 100%;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

/* ── Screen base ── */
.screen { display: none; height: 100%; width: 100%; }
.screen.active { display: flex; }

/* ── Auth screens (role, login, setup) ── */
#role-screen, #manager-setup-screen, #manager-success-screen,
#performer-login-screen, #select-screen {
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  background: radial-gradient(ellipse at 50% 0%, #141b2b 0%, var(--bg) 60%);
}

.brand {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.brand h1 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--t1);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.brand p {
  color: var(--t2);
  font-size: 0.85rem;
}

.center-wrap { max-width: 460px; width: 100%; }

/* ── Role & preset cards ── */
.role-cards, .preset-cards {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  background: var(--bg2);
}

.role-card, .preset-card {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 18px 20px;
  text-align: left;
  color: var(--t1);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  transition: background 0.12s;
}
.role-card:last-child, .preset-card:last-child { border-bottom: none; }

.role-card:hover, .preset-card:hover { background: var(--bg3); }

.role-icon, .preset-card-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--accent);
  background: rgba(59,130,246,0.08);
}

.role-card strong, .preset-card strong {
  font-size: 0.92rem;
  font-weight: 600;
  display: block;
}

.role-card small, .preset-card small {
  font-size: 0.76rem;
  color: var(--t2);
  display: block;
  margin-top: 2px;
  line-height: 1.35;
}

/* ── Forms ── */
.box-form {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 24px;
}

.box-form label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--t2);
  margin-bottom: 4px;
  margin-top: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.box-form label:first-child { margin-top: 0; }

.box-form input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--t1);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.12s;
}
.box-form input:focus { border-color: var(--accent); }

.box-form .pass-wrap {
  display: flex;
  border: 1px solid var(--border);
  transition: border-color 0.12s;
}
.box-form .pass-wrap:focus-within { border-color: var(--accent); }

.box-form .pass-wrap input {
  flex: 1;
  border: none;
  background: var(--bg);
  color: var(--t1);
  font-size: 0.9rem;
  padding: 10px 12px;
  outline: none;
}

.pass-toggle {
  flex-shrink: 0;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--t2);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 14px;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
  font-family: var(--font-ui);
}
.pass-toggle:hover { color: var(--t1); background: var(--bg3); }
.pass-toggle.visible { color: var(--accent); }

.pass-gen {
  flex-shrink: 0;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 12px;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
  font-family: var(--font-ui);
}
.pass-gen:hover { color: #fff; background: var(--accent); }

.box-form .hint {
  font-size: 0.7rem;
  color: var(--t3);
  margin-top: 4px;
  font-style: italic;
}

/* ── Buttons ── */
.btn-text-action {
  background: none;
  border: none;
  color: var(--t3);
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 16px;
  padding: 8px 0;
  transition: color 0.12s;
}
.btn-text-action:hover { color: var(--t1); }

.text-center { text-align: center; }

/* ── Success ── */
.success-icon {
  width: 44px; height: 44px;
  background: rgba(34,197,94,0.1);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin: 0 auto 20px;
}

.id-box {
  background: var(--bg);
  border: 1px dashed var(--border-light);
  padding: 18px;
  margin: 24px 0;
}
.id-box .id-label { display: block; color: var(--t2); font-size: 0.8rem; margin-bottom: 8px; }
.id-box strong { font-size: 1.5rem; letter-spacing: 3px; color: var(--accent); }

/* ── Work screen ── */
#work-screen {
  flex-direction: column;
  height: 100%;
  background: var(--bg);
}

#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 48px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#topbar-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  flex: 1;
  padding: 0 8px;
  font-family: var(--font-heading);
}

#btn-back-preset {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 0;
}

/* ── Tabs ── */
#tabs {
  display: flex;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--t3);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 11px 0;
  transition: color 0.12s, border-color 0.12s;
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Panels ── */
#panels { flex: 1; display: flex; overflow: hidden; min-height: 0; }
.panel { display: none; flex-direction: column; min-height: 0; }
.panel.active { display: flex; }
.panel-scroll { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; }
#form-panel { width: 100%; }
#preview-panel { width: 100%; }

/* ── Action bar ── */
#action-bar {
  display: flex;
  padding: 10px 12px;
  padding-bottom: max(10px, env(safe-area-inset-bottom, 10px));
  background: var(--bg2);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.btn-action {
  flex: 1;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 13px 12px;
  transition: opacity 0.12s, background 0.12s;
}
.btn-action:disabled { opacity: 0.3; pointer-events: none; }

.btn-primary-action {
  display: block;
  width: 100%;
  border: none;
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: background 0.12s;
}
.btn-primary-action:hover { background: var(--accent2); }
.btn-primary-action:disabled { opacity: 0.3; pointer-events: none; }

.btn-secondary-action {
  display: block;
  width: 100%;
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  background: transparent;
  color: var(--t1);
  transition: background 0.12s, border-color 0.12s;
}
.btn-secondary-action:hover { background: var(--bg3); border-color: var(--border-light); }

/* ── Form panel ── */
.form-section {
  padding: 18px 14px;
  border-bottom: 1px solid var(--border);
}

.form-section h2 {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--t2);
  margin-bottom: 16px;
}

.form-section label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--t2);
  margin-bottom: 4px;
  margin-top: 14px;
}
.form-section label:first-of-type { margin-top: 0; }

.req { color: var(--red); }

.form-section input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--t1);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.12s;
}
.form-section input:focus { border-color: var(--accent); }

.form-section input::placeholder { color: var(--t3); }

/* ── Signature pad ── */
#sig-wrap {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  height: 120px;
  overflow: hidden;
  touch-action: none;
}

#sig-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.sig-hint {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--t3);
  font-size: 0.82rem;
  pointer-events: none;
  transition: opacity 0.2s;
}
.sig-hint.hidden { opacity: 0; }

.sig-actions {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  margin-top: 6px;
}

.btn-text {
  background: none;
  border: none;
  color: var(--t2);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 4px 0;
  transition: color 0.12s;
}
.btn-text:hover { color: var(--t1); }

/* ── Document preview ── */
#doc-preview { padding: 12px; }

#doc-page {
  background: #fff;
  color: #111;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  padding: 40px 34px;
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 11pt;
  line-height: 1.55;
  max-width: 780px;
  margin: 0 auto;
}

#doc-page .doc-title {
  text-align: center;
  font-size: 14pt;
  font-weight: 700;
  margin-bottom: 14px;
}

#doc-page .doc-intro { margin-bottom: 16px; }

#doc-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 10.5pt;
}

#doc-page table td {
  border: 1px solid #ccc;
  padding: 7px 10px;
  vertical-align: top;
}

#doc-page table td:first-child {
  font-weight: 600;
  width: 40%;
  background: #fafafa;
}

#doc-page table.three-col td:first-child { width: auto; background: #fafafa; }
#doc-page table.sig-table td { border: none; padding: 5px 0; background: none; }
#doc-page table.sig-table td:first-child { background: none; width: auto; }

#doc-page .section-heading { font-weight: 700; margin-top: 18px; margin-bottom: 6px; }

#doc-page .body-text { margin-bottom: 8px; text-align: justify; }

/* ── Fillable fields ── */
.field-value { color: #111; transition: color 0.2s; }
.field-value.empty { color: #bbb; letter-spacing: 1px; }
.field-value.filled { color: #4338ca; font-weight: 600; }

.sig-preview-img {
  display: block;
  max-width: 180px;
  max-height: 70px;
  margin-top: 8px;
}

/* PDF page-break + black-text */
#doc-page .body-text,
#doc-page .section-heading,
#doc-page .doc-title,
#doc-page table { page-break-inside: avoid; }

body.generating-pdf .field-value.filled { color: #000 !important; }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg2);
  color: var(--t1);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 10px 18px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  z-index: 9999;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s;
  white-space: nowrap;
  max-width: calc(100vw - 32px);
  overflow: hidden;
  text-overflow: ellipsis;
}

#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

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

/* ── Loader ── */
#loader {
  position: fixed;
  inset: 0;
  background: rgba(12,15,21,0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
#loader.active { opacity: 1; pointer-events: auto; }

.loader-spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

#loader-text { color: var(--t2); font-size: 0.82rem; font-weight: 500; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Desktop ── */
@media (min-width: 768px) {
  #tabs { display: none; }

  #panels { display: flex; }

  #form-panel {
    display: flex !important;
    width: 360px;
    min-width: 360px;
    border-right: 1px solid var(--border);
  }

  #preview-panel {
    display: flex !important;
    flex: 1;
  }

  #doc-page {
    padding: 52px 48px;
    font-size: 11.5pt;
  }
}

/* ── Small mobile ── */
@media (max-width: 400px) {
  #doc-page { padding: 20px 14px; font-size: 9.5pt; }
  #doc-page table { font-size: 8.5pt; }
  .form-section { padding: 14px 10px; }
}

/* ── Print ── */
@media print {
  body { background: #fff; color: #000; overflow: visible; height: auto; }
  #topbar, #tabs, #form-panel, #action-bar, #toast, #loader { display: none !important; }
  #work-screen { display: flex !important; height: auto; }
  #panels { display: block !important; overflow: visible; }
  #preview-panel { display: block !important; width: 100% !important; }
  .panel-scroll { overflow: visible; }
  #doc-preview { padding: 0; }
  #doc-page { box-shadow: none; max-width: none; }
  #doc-page * { page-break-inside: avoid; }
  #doc-page table { page-break-inside: avoid; }
}