/* ============================================================
   ACD Clínica — Main Stylesheet
   Theme: Teal Médico

   To change the color theme, update the CSS custom properties in :root.
   All components use these variables.
   ============================================================ */

:root {
  /* --- Brand colors --- */
  --color-primary:      #1a6b72;
  --color-primary-dark: #135257;
  --color-primary-light:#e8f4f5;
  --color-accent:       #2a9d8f;

  /* --- Neutrals --- */
  --color-bg:           #f4f6f7;
  --color-surface:      #ffffff;
  --color-border:       #dde3e6;
  --color-text:         #1a2332;
  --color-text-muted:   #6c7a89;
  --color-text-inverse: #ffffff;

  /* --- Semantic colors --- */
  --color-success:      #1e8449;
  --color-success-bg:   #eafaf1;
  --color-danger:       #c0392b;
  --color-danger-bg:    #fdf2f2;
  --color-warning:      #b7770d;
  --color-warning-bg:   #fef9ed;
  --color-info:         #1a6b72;
  --color-info-bg:      #e8f4f5;

  /* --- Layout --- */
  --navbar-height:      60px;
  --content-max-width:  960px;
  --border-radius:      6px;
  --border-radius-lg:   10px;
  --shadow-card:        0 1px 4px rgba(0,0,0,0.08);
  --shadow-modal:       0 8px 32px rgba(0,0,0,0.18);

  /* --- Typography --- */
  --font-family:        system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-size-base:     15px;
  --font-size-sm:       13px;
  --font-size-lg:       17px;
  --line-height:        1.55;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.navbar__brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-inverse);
  letter-spacing: 0.02em;
  text-decoration: none;
  flex-shrink: 0;
}
.navbar__brand:hover { text-decoration: none; color: var(--color-text-inverse); }

.navbar__spacer { flex: 1; }

.navbar__user {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
}

.navbar__logout-form { display: inline; }

.btn-navbar-logout {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-text-inverse);
  padding: 5px 14px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background 0.15s;
  min-height: 32px;
}
.btn-navbar-logout:hover {
  background: rgba(255,255,255,0.22);
}

/* ============================================================
   Page wrapper
   ============================================================ */

.page {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
}

.page__title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   Breadcrumb
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb__sep { color: var(--color-border); }
.breadcrumb__current { color: var(--color-text-muted); }

/* ============================================================
   Cards
   ============================================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.card--patient {
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card--patient:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(26,107,114,0.12);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  text-decoration: none;
  line-height: 1.3;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:disabled, .btn[disabled] { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-inverse);
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background: #a93226;
  color: var(--color-text-inverse);
}

.btn-sm {
  padding: 5px 12px;
  font-size: var(--font-size-sm);
}

.btn-icon {
  padding: 6px 8px;
  border-radius: var(--border-radius);
}

/* ============================================================
   Forms
   ============================================================ */

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 9px 12px;
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color 0.15s, box-shadow 0.15s;
  line-height: var(--line-height);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(42,157,143,0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 24px;
}

/* ============================================================
   Alerts / Flash messages
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: #a9dfbf;
}

.alert-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: #f1a9a0;
}

.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: #f8d7a0;
}

.alert-info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border-color: #a2cdd0;
}

/* ============================================================
   Flash messages container
   ============================================================ */

.flash-messages {
  max-width: var(--content-max-width);
  margin: 16px auto 0;
  padding: 0 20px;
}

/* ============================================================
   Patient list
   ============================================================ */

/* Constrained-width card variants for forms */
.card--narrow { max-width: 480px; }
.card--form   { max-width: 560px; }

/* Centered empty state inside a card */
.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--color-text-muted);
}

.patient-list { margin-top: 4px; }

.patient-list__search {
  margin-bottom: 20px;
}

.patient-list__empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.patient-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
}

.patient-card__name a {
  color: inherit;
  text-decoration: none;
}
.patient-card__name a:hover { text-decoration: underline; }

/* ============================================================
   Patient detail
   ============================================================ */

.patient-info {
  margin-bottom: 28px;
}

.section-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.note-content {
  white-space: pre-wrap;
  font-size: var(--font-size-base);
  color: var(--color-text);
  min-height: 40px;
}

.note-updated {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 8px;
}

.note-empty {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Collapsible note editor */
.note-editor {
  margin-top: 12px;
  display: none;
}
.note-editor.is-open {
  display: block;
}

/* ============================================================
   Document list
   ============================================================ */

.document-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background: var(--color-surface);
  margin-bottom: 12px;
  overflow: hidden;
}

.document-item__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
}

.document-item__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 18px;
}

.document-item__title {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text);
  flex: 1;
}

.document-item__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.document-item__actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.document-item__note {
  padding: 0 18px 14px 66px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: pre-wrap;
}

.document-note-editor {
  border-top: 1px solid var(--color-border);
  padding: 14px 18px;
  background: var(--color-bg);
  display: none;
}
.document-note-editor.is-open {
  display: block;
}

/* ============================================================
   Login page
   ============================================================ */

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 24px;
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
}

.login-card__brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-card__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
}

.login-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.login-card__actions {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

/* ============================================================
   File upload area
   ============================================================ */

.file-drop-label {
  display: block;
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--color-text-muted);
}
.file-drop-label:hover,
.file-drop-label.is-active {
  border-color: var(--color-accent);
  background: var(--color-primary-light);
}

.file-selected-name {
  margin-top: 8px;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
}

/* ============================================================
   Error pages
   ============================================================ */

.error-page {
  text-align: center;
  padding: 80px 24px;
}
.error-page__code {
  font-size: 80px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 12px;
}
.error-page__message {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* ============================================================
   Utilities
   ============================================================ */

.text-muted  { color: var(--color-text-muted); }
.text-sm     { font-size: var(--font-size-sm); }
.mt-0        { margin-top: 0; }
.mt-1        { margin-top: 8px; }
.mt-2        { margin-top: 16px; }
.mt-3        { margin-top: 24px; }
.mb-0        { margin-bottom: 0; }
.mb-1        { margin-bottom: 8px; }
.mb-2        { margin-bottom: 16px; }
.d-flex      { display: flex; }
.align-center{ align-items: center; }
.gap-1       { gap: 8px; }
.gap-2       { gap: 16px; }
.flex-1      { flex: 1; }
.w-100       { width: 100%; }
.hidden      { display: none; }

/* ============================================================
   Patient list — filters
   ============================================================ */

.patient-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 12px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.filter-group--actions {
  margin-left: auto;
}

.patient-list__count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

/* ============================================================
   Patient list — table
   ============================================================ */

.patient-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
}

.patient-table th,
.patient-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.patient-table thead th {
  background: var(--color-primary-light);
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
}

.patient-table tbody tr:hover {
  background: var(--color-primary-light);
  cursor: pointer;
}

.patient-table__col-date {
  width: 160px;
}

.patient-table__name {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.patient-table__name:hover {
  text-decoration: underline;
}

.patient-table__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.sort-header a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: inherit;
  text-decoration: none;
}

.sort-header a:hover {
  color: var(--color-primary);
}

.sort-indicator {
  font-size: 10px;
  color: var(--color-primary);
}

/* ============================================================
   Pagination
   ============================================================ */

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  margin-top: 20px;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  text-decoration: none;
  color: var(--color-text);
  line-height: 1.4;
}

.pagination a:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.pagination .disabled {
  color: var(--color-text-muted);
  border-color: var(--color-border);
  background: none;
  pointer-events: none;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 640px) {
  .page { padding: 16px 12px 40px; }
  .login-card { padding: 28px 20px; }
  .document-item__actions { flex-direction: column; gap: 4px; }
  .patient-filters { flex-direction: column; }
  .filter-group--actions { margin-left: 0; }
  .patient-table__col-date { width: auto; }
}