:root {
  --bg: #f4f7f9;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --text: #17212b;
  --text-secondary: #63707d;
  --border: #dce3e8;
  --primary: #176b87;
  --primary-dark: #11556c;
  --primary-soft: #e8f4f7;
  --success: #287a55;
  --success-soft: #eaf6ef;
  --warning: #9a6700;
  --warning-soft: #fff7db;
  --danger: #b42318;
  --shadow: 0 2px 8px rgba(25, 39, 52, 0.06);
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #eef5f7 0, var(--bg) 220px);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

h1,
h2,
p {
  margin-top: 0;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.access-card {
  width: min(430px, 100%);
  margin: 10vh auto 0;
  padding: 42px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(25, 39, 52, 0.10);
}

.access-card h1,
.archive-header h1 {
  margin-bottom: 4px;
  color: var(--primary);
  letter-spacing: -0.04em;
}

.access-card h1 {
  font-size: 2.3rem;
}

.access-subtitle {
  margin-bottom: 30px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

#manager-login-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.access-identity {
  margin-bottom: 20px;
  font-size: 1.15rem;
  font-weight: 650;
}

#manager-login-form label,
.field-group label {
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
}

#manager-login-form input,
.field-group input {
  width: 100%;
  padding: 12px 13px;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 9px;
  outline: none;
}

#manager-login-form input:focus,
.field-group input:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.12);
}

#manager-login-form button {
  margin-top: 12px;
  padding: 13px 18px;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 9px;
  font-weight: 650;
  cursor: pointer;
}

#manager-login-form button:hover {
  background: var(--primary-dark);
}

.error-message {
  min-height: 20px;
  margin: 4px 0 0;
  color: var(--danger);
  font-size: 0.88rem;
}

.back-link,
.header-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.back-link {
  display: inline-block;
  margin-top: 20px;
}

.back-link:hover,
.header-link:hover {
  text-decoration: underline;
}

.archive-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}

.archive-header h1 {
  font-size: 2.25rem;
}

.archive-header p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#archive-sign-out-button,
.text-button,
.month-button,
#change-password-button {
  cursor: pointer;
}

#archive-sign-out-button {
  padding: 9px 14px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.account-panel,
.filter-panel,
.calendar-panel,
.results-panel {
  margin-bottom: 22px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.account-heading-row,
.filter-heading-row,
.results-heading-row,
.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.account-heading-row h2,
.filter-heading-row h2,
.results-heading-row h2,
.calendar-toolbar h2 {
  margin-bottom: 4px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.account-heading-row p,
.filter-heading-row p,
.results-heading-row p {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.account-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.account-form-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

#change-password-button {
  padding: 11px 16px;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 9px;
  font-weight: 650;
}

#change-password-button:hover {
  background: var(--primary-dark);
}

#change-password-button:disabled,
#manager-login-form button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.account-message {
  min-height: 20px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.account-message.success {
  color: var(--success);
}

.account-message.error {
  color: var(--danger);
}

.text-button {
  padding: 6px 0;
  color: var(--primary);
  background: transparent;
  border: none;
  font-weight: 650;
}

.filter-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(150px, 0.8fr) minmax(150px, 0.8fr);
  gap: 14px;
  margin-top: 20px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-summary {
  min-height: 20px;
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.calendar-toolbar {
  margin-bottom: 18px;
}

.calendar-toolbar h2 {
  margin: 0;
  text-align: center;
}

.month-button {
  width: 38px;
  height: 38px;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid rgba(23, 107, 135, 0.18);
  border-radius: 8px;
  font-weight: 700;
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.weekday-row {
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-grid {
  gap: 7px;
}

.calendar-day,
.calendar-spacer {
  min-height: 96px;
}

.calendar-day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 9px;
  text-align: left;
  cursor: pointer;
}

.calendar-day:hover {
  border-color: #b8c8d1;
  background: #ffffff;
}

.calendar-day.has-callouts {
  background: #f4fbfc;
  border-color: rgba(23, 107, 135, 0.28);
}

.calendar-day.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(23, 107, 135, 0.13);
}

.calendar-day.outside-range {
  opacity: 0.34;
}

.day-number {
  font-weight: 700;
}

.day-count {
  display: inline-flex;
  min-width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  color: white;
  background: var(--primary);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 750;
}

.day-count.empty {
  visibility: hidden;
}

.results-panel {
  min-height: 180px;
}

.archive-result-card {
  margin-top: 14px;
  padding: 18px 20px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 10px;
}

.result-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.result-time,
.result-ack {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
}

.result-phone {
  margin-bottom: 6px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 650;
}

.result-message {
  margin-bottom: 10px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.result-meta {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.empty-state {
  margin: 22px 0 0;
  padding: 22px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.5);
  border: 1px dashed var(--border);
  border-radius: 10px;
  text-align: center;
}

@media (max-width: 760px) {
  main {
    width: min(100% - 20px, 1120px);
    padding-top: 24px;
  }

  .access-card {
    margin-top: 4vh;
    padding: 30px 24px;
  }

  .archive-header,
  .account-heading-row,
  .filter-heading-row {
    align-items: flex-start;
  }

  .archive-header {
    flex-direction: column;
  }

  .account-form,
  .filter-grid {
    grid-template-columns: 1fr;
  }

  .calendar-day,
  .calendar-spacer {
    min-height: 72px;
  }

  .calendar-day {
    padding: 7px;
  }

  .day-count {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 0.72rem;
  }
}

@media (max-width: 520px) {
  .weekday-row {
    font-size: 0.64rem;
  }

  .calendar-grid {
    gap: 4px;
  }

  .calendar-day,
  .calendar-spacer {
    min-height: 62px;
  }

  .result-topline {
    flex-direction: column;
    gap: 4px;
  }
}