/* ==========================================================================
   Material Design 3 theme
   Color tokens based on the MD3 baseline light scheme.
   ========================================================================== */
:root {
  /* Primary (brand: #061B53 deep royal navy, hue ~222) */
  --md-primary: #061b53;
  --md-on-primary: #ffffff;
  --md-primary-container: #dbe1ff;
  --md-on-primary-container: #061b53;

  /* Secondary (desaturated navy-slate, same hue family) */
  --md-secondary: #48526e;
  --md-on-secondary: #ffffff;
  --md-secondary-container: #dfe4f7;
  --md-on-secondary-container: #131c33;

  /* Tertiary / success accents */
  --md-tertiary-container: #d7f4dd;
  --md-on-tertiary-container: #0b5723;

  /* Surfaces (neutral tints derived from the #061B53 primary hue) */
  --md-background: #fafaff;
  --md-surface: #fafaff;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #f2f4fc;
  --md-surface-container: #eceff9;
  --md-surface-container-high: #e6eaf5;
  --md-surface-container-highest: #e0e4f0;

  /* Content (navy-tinted neutrals) */
  --md-on-surface: #191b24;
  --md-on-surface-variant: #434656;
  --md-outline: #737687;
  --md-outline-variant: #c3c6d6;

  /* Error */
  --md-error: #b3261e;

  /* Elevation shadows */
  --md-elevation-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-elevation-2: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);

  /* Shape */
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-full: 999px;
}

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

body {
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  background: var(--md-background);
  color: var(--md-on-surface);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.muted {
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  letter-spacing: 0.017em;
}
.hidden { display: none; }
.error { color: var(--md-error); margin-top: 0.75rem; font-size: 0.875rem; }
code {
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  padding: 0.1rem 0.45rem;
  border-radius: 6px;
  font-size: 0.85em;
  font-family: 'Roboto Mono', monospace;
}

/* Material Symbols sizing */
.material-symbols-outlined {
  font-size: 1.25em;
  vertical-align: -0.25em;
  line-height: 1;
}

/* ==========================================================================
   Buttons (MD3: filled, tonal, outlined)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--md-shape-full);
  padding: 0.625rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.006em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s, background 0.2s;
}
.btn:disabled { opacity: 0.38; cursor: not-allowed; box-shadow: none !important; }

/* State layer (hover/press overlay) */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.15s;
  border-radius: inherit;
  pointer-events: none;
}
.btn:hover:not(:disabled)::after { opacity: 0.08; }
.btn:active:not(:disabled)::after { opacity: 0.12; }

/* Filled */
.btn-primary {
  background: var(--md-primary);
  color: var(--md-on-primary);
}
.btn-primary:hover:not(:disabled) { box-shadow: var(--md-elevation-1); }

/* Tonal */
.btn-tonal {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

/* Outlined (kept as .btn-ghost for compatibility) */
.btn-ghost {
  background: transparent;
  color: var(--md-primary);
  border: 1px solid var(--md-outline);
}

.btn-sm { padding: 0.4rem 1rem; font-size: 0.8125rem; }
.btn-xl {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  border-radius: var(--md-shape-full);
  box-shadow: var(--md-elevation-1);
}
.btn-xl:hover:not(:disabled) { box-shadow: var(--md-elevation-2); }
.btn-block { width: 100%; }

/* ==========================================================================
   Login
   ========================================================================== */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-surface-container-low);
}
.login-card {
  background: var(--md-surface-container-lowest);
  border-radius: 28px; /* MD3 dialog shape */
  box-shadow: var(--md-elevation-3);
  padding: 2.5rem;
  width: min(400px, 90vw);
  text-align: center;
}
.login-card .logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.login-card h1 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
  color: var(--md-on-surface);
}
.login-card form { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 1rem; }
.login-card input {
  background: transparent;
  border: 1px solid var(--md-outline);
  border-radius: 4px; /* MD3 outlined text field */
  color: var(--md-on-surface);
  padding: 1rem;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-card input::placeholder { color: var(--md-on-surface-variant); }
.login-card input:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: inset 0 0 0 1px var(--md-primary);
}

/* ==========================================================================
   Top App Bar
   ========================================================================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title {
  font-size: 1.375rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.topbar-title .material-symbols-outlined { color: var(--md-primary); font-size: 1.5rem; }
.topbar-actions { display: flex; align-items: center; gap: 1rem; }
.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--md-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--md-shape-full);
  transition: background 0.15s;
}
.topbar-link:hover { background: var(--md-surface-container-high); }
.topbar-link .material-symbols-outlined { font-size: 1.15rem; }

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Cards (MD3 filled cards)
   ========================================================================== */
.card {
  background: var(--md-surface-container-low);
  border-radius: var(--md-shape-lg);
  padding: 1.5rem;
  box-shadow: var(--md-elevation-1);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.card-header h3 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.009em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--md-on-surface);
}
.card-header h3 .material-symbols-outlined { color: var(--md-primary); }
.card-footer { margin-top: 1rem; text-align: right; }
.card-label {
  color: var(--md-primary);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  font-weight: 500;
}

/* Chips / pills (MD3 assist chip style) */
.pill {
  background: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  border-radius: var(--md-shape-sm);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.033em;
  white-space: nowrap;
}
.pill-accent {
  background: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
}

/* ==========================================================================
   Up Next hero card
   ========================================================================== */
.up-next-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--md-elevation-2);
  border-radius: 28px;
}
.up-next-card .card-label { color: var(--md-on-primary-container); opacity: 0.75; }
.up-next-card .muted { color: var(--md-on-primary-container); opacity: 0.8; }
.up-next-name {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 400;
  margin: 0.5rem 0 0.25rem;
  color: var(--md-on-primary-container);
}
.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.up-next-card .btn-ghost {
  color: var(--md-on-primary-container);
  border-color: var(--md-on-primary-container);
}
.last-action {
  margin-top: 1.25rem;
  min-height: 1.2em;
  transition: color 0.3s;
}
.last-action.flash { color: var(--md-on-tertiary-container); font-weight: 500; }

/* ==========================================================================
   Rotation queue (MD3 list)
   ========================================================================== */
.queue-list { list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }
.queue-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--md-shape-md);
  background: transparent;
  transition: background 0.15s;
}
.queue-item:hover { background: var(--md-surface-container); }
.queue-item.current {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}
.queue-pos {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 500;
  flex-shrink: 0;
}
.queue-item.current .queue-pos {
  background: var(--md-primary);
  color: var(--md-on-primary);
}
.queue-name { font-weight: 500; flex: 1; font-size: 0.9375rem; }
.queue-deals { white-space: nowrap; }

/* ==========================================================================
   Leads table (MD3 data table)
   ========================================================================== */
.leads-table { width: 100%; border-collapse: collapse; }
.leads-table th,
.leads-table td {
  text-align: left;
  padding: 0.75rem 0.75rem;
  border-bottom: 1px solid var(--md-outline-variant);
  font-size: 0.875rem;
}
.leads-table th {
  color: var(--md-on-surface-variant);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.033em;
}
.leads-table .num { text-align: right; }
.leads-table tbody tr { transition: background 0.15s; }
.leads-table tbody tr:hover { background: var(--md-surface-container); }
.leads-table tbody tr:last-child td { border-bottom: none; }

/* ==========================================================================
   Upload
   ========================================================================== */
.upload-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.upload-row input[type='file'] {
  color: var(--md-on-surface-variant);
  font-family: inherit;
  font-size: 0.875rem;
}
.upload-row input[type='file']::file-selector-button {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  border: none;
  border-radius: var(--md-shape-full);
  padding: 0.5rem 1.1rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  margin-right: 0.75rem;
  transition: box-shadow 0.15s;
}
.upload-row input[type='file']::file-selector-button:hover {
  box-shadow: var(--md-elevation-1);
}
.sort-label {
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.upload-row select {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline);
  color: var(--md-on-surface);
  border-radius: var(--md-shape-sm);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
}
.upload-row select:focus { outline: 2px solid var(--md-primary); border-color: transparent; }
#upload-msg { margin-top: 0.75rem; }

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}
.pagination.hidden { display: none; }
.pager-btn {
  padding: 0.35rem 0.6rem;
  min-width: 2.25rem;
}
.pager-btn .material-symbols-outlined { font-size: 1.25rem; vertical-align: middle; }