/* Global theme */
:root {
  /* Surfaces & backgrounds */
  --color-bg: #f2f7f8;
  --color-surface: #ffffff;
  --color-surface-rgb: 255, 255, 255;
  --color-surface-alt: #c6d1ff;
  --color-surface-soft: #f6f8ff;
  --color-surface-muted: #f3f4fb;
  --color-surface-info: #f7f9ff;
  --color-surface-hero: #f9fbff;
  --color-surface-hero-mid: #eef2ff;
  --color-surface-hero-alt: #f5f7ff;
  --color-alert-soft: #fff8f8;
  --timesheet-row-hover: #e0e0e05f;

  /* Borders */
  --color-border: #d9dff2;
  --color-border-strong: #c3ddc6;
  --color-border-soft: #e0e6ff;

  /* Text & foreground */
  --color-text: #1f2437;
  --color-text-rgb: 31, 36, 55;
  --color-text-soft: #2f3b66;
  --color-text-strong: #2c3350;
  --color-text-success: #2f6236;
  --color-text-purple: #522d7e;
  --color-text-warning: #c15700;
  --color-muted: #6b728a;
  --color-muted-rgb: 107, 114, 138;

  /* Accent palette */
  --color-accent: #3b5bff;
  --color-accent-rgb: 59, 91, 255;
  --color-accent-strong: #253dcc;
  --color-accent-dark: #2f46e0;
  --color-accent-dark-rgb: 47, 70, 224;
  --color-accent-deep: #1f3aab;
  --color-accent-contrast: #ffffff;

  /* Status colors */
  --color-positive: #1d9d74;
  --color-positive-rgb: 29, 157, 116;
  --color-warning: #cf8a24;
  --color-warning-rgb: 207, 138, 36;
  --color-danger: #c74343;
  --color-danger-hover: #aa3737;
  --color-danger-rgb: 199, 67, 67;
  --color-disabled-bg: #e7eaf5;
  --color-amber: #ffc857;
  --color-amber-rgb: 255, 200, 87;

  /* Calendar/day highlights */
  --color-weekend: #eef1ff;
  --color-holiday: #fff1e5;
  --color-ferie-day: #e4f7d2;
  --color-mutua-day: #f0e5ff;

  /* Effects */
  --shadow-soft: 0 12px 30px rgba(var(--color-text-rgb), 0.08);
  --color-shadow-rgb: 19, 24, 40;
  --radius-sm: 6px;
  --radius-md: 12px;
  --transition-fast: 120ms ease;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  padding-top: 50px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-accent-strong);
}

header {
  background: var(--color-surface);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(var(--color-shadow-rgb), 0.06);
}

header nav {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 20px;
  flex-wrap: wrap;
}

header nav .nav-logo {
  display: flex;
  align-items: center;
  padding: 0;
  margin-right: 8px;
}

header nav .nav-logo img {
  display: block;
  height: 36px;
  width: auto;
}

header nav .nav-logo:hover,
header nav .nav-logo:focus {
  background: none;
}

header nav a,
header nav button {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

header nav a:hover,
header nav button:hover,
header nav a:focus,
header nav button:focus {
  background: rgba(var(--color-accent-rgb), 0.08);
  color: var(--color-accent-strong);
}

header nav .nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

header nav form {
  margin: 0;
}

main.container {
  max-width: 97%;
  margin: 32px auto 48px auto;
  padding: 0 24px 40px;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 0;
  color: var(--color-text);
}

p {
  margin-top: 0;
  color: var(--color-muted);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

input,
select,
textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.15);
  outline: none;
}

button {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 8px 16px;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-weight: 600;
  line-height: 1.3;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

button:hover,
button:focus {
  background: var(--color-accent-dark);
  box-shadow: 0 5px 14px rgba(var(--color-accent-dark-rgb), 0.26);
}

button:disabled,
button[disabled] {
  background: var(--color-disabled-bg);
  color: var(--color-muted);
  border-color: var(--color-border);
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}

button.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

button.btn-secondary:hover,
button.btn-secondary:focus {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: none;
}

button.btn-secondary:disabled,
button.btn-secondary[disabled] {
  background: transparent;
  color: var(--color-muted);
  border-color: var(--color-border);
}

button.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-accent);
  font-weight: 500;
}

button.btn-ghost:hover,
button.btn-ghost:focus {
  background: rgba(var(--color-accent-rgb), 0.08);
}

form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

form .field-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

thead th {
  position: sticky;
  top: 0;
  background: var(--color-surface-alt);
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

tbody tr:hover td {
  background: rgba(var(--color-accent-rgb), 0.04);
}

tfoot th,
tfoot td {
  padding: 10px 12px;
  background: var(--color-surface-alt);
  font-weight: 600;
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tools {
  width: 4ch;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent);
}

.badge.is-positive { 
  background: rgba(var(--color-positive-rgb), 0.12); 
  color: var(--color-positive); 
}
.badge.is-warning { 
  background: rgba(var(--color-warning-rgb), 0.16); 
  color: var(--color-warning); 
}
.badge.is-danger { 
  background: rgba(var(--color-danger-rgb), 0.14); 
  color: var(--color-danger); 
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-soft);
}

.toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.summary .row {
  display: flex;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
}

.summary strong {
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  text-align: right;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.summary strong span {
  display: inline-block;
  min-width: 6ch;
  text-align: right;
}

.muted {
  color: var(--color-muted);
}

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

.flash {
  margin: 16px 0;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  font-weight: 600;
}

.flash.success {
  border-color: rgba(var(--color-positive-rgb), 0.35);
  background: rgba(var(--color-positive-rgb), 0.12);
  color: var(--color-positive);
}

legend,
fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

@media (max-width: 768px) {
  header nav {
    gap: 8px;
  }
  main.container {
    margin: 24px auto;
    padding: 0 16px 32px;
  }
  table {
    font-size: 0.95rem;
  }
}


.btn-logout:hover,
.btn-logout:focus {
  color: var(--color-accent-contrast);
  background-color: var(--color-danger);
  box-shadow: none;
}