/* ============================================================
   AI.Representative — Mobile-First App Styles
   Design system matching wireframes (wireframes.html)
   ============================================================ */

/* --- CSS Variables (Light theme default) --- */
:root {
  --color-primary: #1F5C99;
  --color-primary-light: #E6F1FB;
  --color-primary-dark: #185FA5;
  --color-primary-border: #B5D4F4;

  --color-background-primary: #FFFFFF;
  --color-background-secondary: #F2F2F7;
  --color-background-tertiary: #E5E5EA;

  --color-text-primary: #1C1C1E;
  --color-text-secondary: #6C6C70;

  --color-border-secondary: #C7C7CC;
  --color-border-tertiary: #E5E5EA;

  --color-error-bg: #FCEBEB;
  --color-error-border: #F09595;
  --color-error-title: #791F1F;
  --color-error-text: #A32D2D;

  --color-badge-draft-bg: #F1EFE8;
  --color-badge-draft-text: #5F5E5A;
  --color-badge-sent-bg: #EAF3DE;
  --color-badge-sent-text: #3B6D11;
  --color-badge-inc-bg: #FAEEDA;
  --color-badge-inc-text: #854F0B;
  --color-badge-man-bg: #E1F5EE;
  --color-badge-man-text: #0F6E56;
  --color-badge-err-bg: #FCEBEB;
  --color-badge-err-text: #791F1F;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-card: 14px;
  --radius-btn: 12px;
  --radius-chip: 20px;
  --radius-input: 10px;
}

/* Dark theme */
[data-theme="dark"],
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background-primary: #1C1C1E;
    --color-background-secondary: #2C2C2E;
    --color-background-tertiary: #3A3A3C;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #AEAEB2;
    --color-border-secondary: #3A3A3C;
    --color-border-tertiary: #2C2C2E;
  }
}

[data-theme="dark"] {
  --color-background-primary: #1C1C1E;
  --color-background-secondary: #2C2C2E;
  --color-background-tertiary: #3A3A3C;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #AEAEB2;
  --color-border-secondary: #3A3A3C;
  --color-border-tertiary: #2C2C2E;
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.4;
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
}

/* --- App shell (full-height column) --- */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-background-secondary);
}

/* --- Top bar --- */
.top-bar {
  background: var(--color-primary);
  padding: 0 16px;
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  min-height: 52px;
  box-sizing: border-box;
}

.top-bar-icon {
  height: 36px;
  width: 36px;
  object-fit: contain;
  flex-shrink: 0;
  margin-right: 12px;
}

.top-bar-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.app-name {
  color: rgba(255, 255, 255, 0.67);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.screen-name {
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 500;
  margin-top: 2px;
}

/* --- Main content area --- */
.content {
  flex: 1;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- Bottom action bar (wizard/onboarding) --- */
.bbar {
  padding: 12px 14px;
  background: var(--color-background-primary);
  border-top: 0.5px solid var(--color-border-tertiary);
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* --- Bottom tab nav --- */
.btabs {
  background: var(--color-background-primary);
  border-top: 0.5px solid var(--color-border-tertiary);
  display: flex;
  flex-shrink: 0;
}

.ti {
  flex: 1;
  padding: 10px 4px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  text-decoration: none;
}

.ti .ic {
  font-size: 18px;
  color: var(--color-text-secondary);
}

.ti .lb {
  font-size: 10px;
  color: var(--color-text-secondary);
}

.ti.active .ic,
.ti.active .lb {
  color: var(--color-primary);
}

.ti.active .lb {
  font-weight: 500;
}

/* --- Buttons --- */
.btn-p {
  background: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  width: 100%;
  min-height: 44px;
  display: block;
  font-family: var(--font-sans);
  -webkit-tap-highlight-color: transparent;
}

.btn-p:active {
  background: #185FA5;
}

.btn-g {
  background: transparent;
  color: var(--color-primary);
  border: 0.5px solid var(--color-primary);
  border-radius: var(--radius-btn);
  padding: 13px 16px;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  width: 100%;
  min-height: 44px;
  display: block;
  font-family: var(--font-sans);
  -webkit-tap-highlight-color: transparent;
}

.btn-g:active {
  background: var(--color-primary-light);
}

/* --- Cards --- */
.card {
  background: var(--color-background-primary);
  border-radius: var(--radius-card);
  border: 0.5px solid var(--color-border-tertiary);
  padding: 14px;
}

/* --- Field labels --- */
.fl {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  display: block;
}

.field-group {
  display: flex;
  flex-direction: column;
}

.field-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  display: block;
}

.field-input {
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--radius-input);
  padding: 10px 12px;
  font-size: 16px;
  color: var(--color-text-primary);
  width: 100%;
  font-family: var(--font-sans);
  min-height: 44px;
  -webkit-appearance: none;
}

.field-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* --- Mobile-style inputs (wireframe .mi) --- */
.mi {
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--radius-input);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--color-text-primary);
  width: 100%;
  font-family: var(--font-sans);
  min-height: 44px;
  -webkit-appearance: none;
  display: block;
}

.mi:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea.mi {
  resize: vertical;
  min-height: 44px;
}

.mi.tall,
textarea.tall {
  min-height: 120px;
  line-height: 1.5;
}

/* Read-only variant */
.mi.ro {
  background: var(--color-background-tertiary);
  color: var(--color-text-secondary);
}

select.mi {
  cursor: pointer;
}

.req-star {
  color: var(--color-error-text);
}

.req-note {
  font-size: 11px;
  color: var(--color-error-text);
  margin-top: 8px;
}

/* --- Step indicator bar --- */
.step-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 12px 16px 0;
}

.sd {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

.sd.done {
  background: var(--color-primary);
  color: #FFFFFF;
}

.sd.cur {
  background: var(--color-primary);
  color: #FFFFFF;
}

.sd.todo {
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--color-border-secondary);
}

.sl {
  flex: 1;
  height: 1px;
  background: var(--color-border-tertiary);
}

.sl.done {
  background: var(--color-primary);
}

/* --- Chips --- */
.chip {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-chip);
  font-size: 12px;
  font-weight: 500;
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  margin: 2px;
  cursor: pointer;
  min-height: 32px;
  line-height: 1.4;
}

.chip.on {
  background: var(--color-primary-light);
  border-color: #378ADD;
  color: #0C447C;
}

/* --- Badges --- */
.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.b-draft {
  background: var(--color-badge-draft-bg);
  color: var(--color-badge-draft-text);
}

.b-sent {
  background: var(--color-badge-sent-bg);
  color: var(--color-badge-sent-text);
}

.b-inc {
  background: var(--color-badge-inc-bg);
  color: var(--color-badge-inc-text);
}

.b-man {
  background: var(--color-badge-man-bg);
  color: var(--color-badge-man-text);
}

.b-err {
  background: var(--color-badge-err-bg);
  color: var(--color-badge-err-text);
}

/* --- Rep rows --- */
.rep-row {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  gap: 8px;
  min-height: 44px;
}

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

.rep-name {
  flex: 1;
  font-size: 13px;
  color: var(--color-text-primary);
  font-weight: 500;
}

.rep-lv {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.btn-send {
  background: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  min-height: 32px;
  font-family: var(--font-sans);
}

.btn-send:active {
  background: #185FA5;
}

.btn-rst {
  background: #854F0B;
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  min-height: 32px;
  font-family: var(--font-sans);
}

/* --- Tab pills (Communications) --- */
.tabpill {
  display: flex;
  background: var(--color-background-secondary);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.tp {
  flex: 1;
  text-align: center;
  padding: 7px 0;
  font-size: 13px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--color-text-secondary);
  text-decoration: none;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tp.active {
  background: var(--color-background-primary);
  color: var(--color-primary);
  font-weight: 500;
  border: 0.5px solid var(--color-border-tertiary);
}

/* --- Style option rows (writing style selector) --- */
.sopt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 0.5px solid var(--color-border-tertiary);
  margin-bottom: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.sopt:last-of-type {
  margin-bottom: 0;
}

.sopt.sel {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.sradio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border-secondary);
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sradio.on {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.sradio.on::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FFFFFF;
}

.sn {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}

.se {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: 2px;
  line-height: 1.4;
}

/* --- Profile rows --- */
.prow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  gap: 12px;
}

.prow:last-child {
  border-bottom: none;
}

.pk {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.pv {
  font-size: 13px;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* --- Mode toggle (AI-Assisted / Manual) --- */
.mode-toggle {
  display: flex;
  background: var(--color-background-secondary);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.mt-opt {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-size: 13px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--color-text-secondary);
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.mt-opt.active {
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 500;
}

/* --- Welcome screen hero --- */
.welcome-hero {
  text-align: center;
  padding: 24px 8px 16px;
}

.wh-dot {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 26px;
}

.wh-title {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.wh-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Error card --- */
.error-card {
  background: var(--color-error-bg);
  border: 0.5px solid var(--color-error-border);
  border-radius: var(--radius-card);
  padding: 14px;
}

.error-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-error-title);
  margin-bottom: 4px;
}

.error-sub {
  font-size: 13px;
  color: var(--color-error-text);
  line-height: 1.5;
  margin-bottom: 10px;
}

.btn-support {
  background: var(--color-error-title);
  color: #FFFFFF;
  border: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 500;
  width: 100%;
  cursor: pointer;
  font-family: var(--font-sans);
  min-height: 44px;
}

/* --- Auth screens --- */
.auth-body {
  background: var(--color-background-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 20px 16px;
}

.auth-shell {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-logo {
  text-align: center;
  padding: 20px 0 4px;
}

.auth-logo-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 12px;
  color: var(--color-primary);
}

.auth-logo-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.auth-logo-sub {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.auth-card {
  background: var(--color-background-primary);
  border-radius: var(--radius-card);
  border: 0.5px solid var(--color-border-tertiary);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-actions {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 4px;
}

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}