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

:root {
  --blue:    #1a237e;
  --blue2:   #283593;
  --green:   #2e7d32;
  --amber:   #f57c00;
  --red:     #c62828;
  --grey:    #546e7a;
  --bg:      #f0f2f5;
  --card:    #fff;
  --text:    #212121;
  --sub:     #546e7a;
  --border:  #e0e0e0;
  --radius:  10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Screens ───────────────────────────────────────────── */
.screen { display: none; flex: 1; flex-direction: column; }
.screen.active { display: flex; }

/* ── App bar ───────────────────────────────────────────── */
.app-bar {
  background: var(--blue);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.app-bar h1 { font-size: 17px; font-weight: 600; flex: 1; }
.app-bar .back-btn {
  background: none; border: none; color: #fff;
  font-size: 20px; cursor: pointer; padding: 4px;
}
.app-bar .logout-btn {
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.3);
  color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 5px;
  cursor: pointer;
}

/* ── Offline banner ────────────────────────────────────── */
#offline-banner {
  display: none;
  background: var(--amber); color: #fff;
  text-align: center; font-size: 13px; padding: 6px;
}
body.offline #offline-banner { display: block; }

/* ── Login ─────────────────────────────────────────────── */
#screen-login {
  justify-content: center;
  align-items: center;
  padding: 32px 24px;
  background: var(--blue);
}
.login-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  width: 100%;
  max-width: 360px;
}
.login-logo {
  font-size: 22px; font-weight: 700; color: var(--blue);
  text-align: center; margin-bottom: 24px;
}
.login-logo span { display: block; font-size: 12px; font-weight: 400; color: var(--sub); }
.field-group { margin-bottom: 16px; }
.field-group label { display: block; font-size: 12px; font-weight: 600; color: var(--sub); margin-bottom: 4px; }
.field-group input {
  width: 100%; padding: 12px; border: 1.5px solid var(--border);
  border-radius: 7px; font-size: 16px;
}
.field-group input:focus { outline: none; border-color: var(--blue); }
.btn-primary {
  width: 100%; padding: 14px; background: var(--blue); color: #fff;
  border: none; border-radius: 7px; font-size: 16px; font-weight: 600;
  cursor: pointer; margin-top: 4px;
}
.btn-primary:disabled { opacity: .5; cursor: default; }
.login-error { color: var(--red); font-size: 13px; text-align: center; margin-top: 12px; min-height: 18px; }

/* ── Loading ───────────────────────────────────────────── */
#screen-loading {
  justify-content: center; align-items: center; gap: 16px;
}
.spinner {
  width: 44px; height: 44px;
  border: 4px solid var(--border); border-top-color: var(--blue);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-msg { color: var(--sub); font-size: 14px; }

/* ── Home ──────────────────────────────────────────────── */
.home-header {
  padding: 16px;
  background: var(--blue2); color: #fff;
}
.home-header .driver-name { font-size: 18px; font-weight: 700; }
.home-header .date-label  { font-size: 13px; opacity: .8; margin-top: 2px; }
.home-header .stats       { font-size: 12px; opacity: .7; margin-top: 4px; }

.movements-list { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }

.movement-card {
  background: var(--card); border-radius: var(--radius);
  padding: 14px 16px; cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
  display: flex; flex-direction: column; gap: 6px;
  border-left: 4px solid var(--border);
}
.movement-card:active { opacity: .85; }
.movement-card.status-planned        { border-left-color: var(--grey); }
.movement-card.status-en-route       { border-left-color: var(--amber); }
.movement-card.status-at-collection  { border-left-color: #0288d1; }
.movement-card.status-loaded         { border-left-color: #7b1fa2; }
.movement-card.status-in-transit     { border-left-color: var(--amber); }
.movement-card.status-at-destination { border-left-color: #00838f; }
.movement-card.status-complete       { border-left-color: var(--green); }

.card-row1 { display: flex; align-items: center; justify-content: space-between; }
.card-ref   { font-weight: 700; font-size: 15px; }
.card-time  { font-size: 13px; color: var(--sub); }
.card-route { font-size: 13px; color: var(--sub); }
.status-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  padding: 3px 8px; border-radius: 20px; background: var(--bg); color: var(--sub);
}
.status-badge.complete   { background: #e8f5e9; color: var(--green); }
.status-badge.en-route, .status-badge.in-transit { background: #fff3e0; color: var(--amber); }
.status-badge.at-collection, .status-badge.at-destination { background: #e1f5fe; color: #0277bd; }

.empty-state { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--sub); gap: 8px; }
.empty-state .icon { font-size: 48px; }

/* ── Detail ────────────────────────────────────────────── */
.detail-body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 16px; }

.info-card {
  background: var(--card); border-radius: var(--radius);
  padding: 16px; box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.info-card h3 { font-size: 11px; font-weight: 700; color: var(--sub); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 10px; }
.info-row { display: flex; justify-content: space-between; align-items: baseline; padding: 4px 0; border-bottom: 1px solid var(--border); }
.info-row:last-child { border-bottom: none; }
.info-label { font-size: 13px; color: var(--sub); }
.info-value { font-size: 14px; font-weight: 500; text-align: right; }

.route-display { display: flex; flex-direction: column; gap: 6px; }
.route-point { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
.route-point .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); flex-shrink: 0; margin-top: 4px; }
.route-point .dot.dest { background: var(--green); }
.route-line { width: 2px; height: 20px; background: var(--border); margin-left: 4px; }

.status-progress { display: flex; align-items: center; gap: 0; overflow-x: auto; padding-bottom: 4px; }
.prog-step { flex: 1; text-align: center; font-size: 10px; color: var(--sub); min-width: 56px; }
.prog-step .prog-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border); margin: 0 auto 4px; }
.prog-step.done .prog-dot { background: var(--blue); }
.prog-step.current .prog-dot { background: var(--blue); box-shadow: 0 0 0 3px rgba(26,35,126,.25); }
.prog-step label { display: block; line-height: 1.2; }

.action-area { padding: 16px; }
.btn-action {
  width: 100%; padding: 16px; background: var(--blue); color: #fff;
  border: none; border-radius: var(--radius); font-size: 16px; font-weight: 700;
  cursor: pointer; letter-spacing: .3px;
}
.btn-action:disabled { opacity: .4; cursor: default; }
.btn-action.btn-green { background: var(--green); }

/* ── Modals ────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,.5); align-items: flex-end;
}
.modal-overlay.open { display: flex; }
.modal-sheet {
  background: #fff; width: 100%; border-radius: var(--radius) var(--radius) 0 0;
  padding: 24px; display: flex; flex-direction: column; gap: 16px;
  max-height: 90dvh; overflow-y: auto;
}
.modal-sheet h2 { font-size: 18px; font-weight: 700; }
.modal-sheet p  { font-size: 14px; color: var(--sub); }
.weight-input-group { display: flex; flex-direction: column; gap: 6px; }
.weight-input-group label { font-size: 13px; font-weight: 600; color: var(--sub); }
.weight-input-group input {
  padding: 14px; border: 1.5px solid var(--border); border-radius: 7px;
  font-size: 20px; text-align: right;
}
.weight-input-group input:focus { outline: none; border-color: var(--blue); }
.weight-unit { font-size: 14px; color: var(--sub); text-align: right; }
.modal-actions { display: flex; gap: 10px; }
.btn-secondary {
  flex: 1; padding: 14px; background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 7px; font-size: 15px; font-weight: 600; cursor: pointer; color: var(--text);
}
.btn-confirm {
  flex: 2; padding: 14px; background: var(--blue); color: #fff;
  border: none; border-radius: 7px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn-confirm:disabled { opacity: .4; cursor: default; }

/* ── Signature ─────────────────────────────────────────── */
#sig-canvas {
  border: 2px dashed var(--border); border-radius: 7px;
  width: 100%; height: 180px; touch-action: none; cursor: crosshair;
  background: #fafafa;
}
.sig-hint { font-size: 12px; color: var(--sub); text-align: center; }
.btn-clear {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 14px; font-size: 13px; cursor: pointer; color: var(--sub);
}