/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:              #F0F4F8;
  --sidebar-bg:      #1E293B;
  --sidebar-text:    #94A3B8;
  --sidebar-active:  #FFFFFF;
  --card:            #FFFFFF;
  --text:            #1E293B;
  --muted:           #64748B;
  --border:          #E2E8F0;
  --company:         #EA580C;
  --company-bg:      #FFF7ED;
  --private:         #2563EB;
  --private-bg:      #EFF6FF;
  --primary:         #4F46E5;
  --primary-hover:   #4338CA;
  --danger:          #DC2626;
  --success:         #16A34A;
  --success-bg:      #F0FDF4;
  --shadow:          0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:       0 4px 12px rgba(0,0,0,.08);
  --r:               12px;
  --r-sm:            8px;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 220px;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 200;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.sidebar-brand h1 {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.sidebar-brand p {
  color: var(--sidebar-text);
  font-size: 11px;
  margin-top: 2px;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: color .15s, background .15s, border-color .15s;
}

.nav-link:hover {
  color: var(--sidebar-active);
  background: rgba(255,255,255,.05);
}

.nav-link.active {
  color: var(--sidebar-active);
  background: rgba(255,255,255,.08);
  border-left-color: var(--primary);
}

.nav-link .material-symbols-rounded {
  font-size: 20px;
  flex-shrink: 0;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.nav-link.active .material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

/* === Main content === */
.main {
  margin-left: 220px;
  padding: 32px 36px;
  min-height: 100vh;
}

/* === Page header === */
.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-desc {
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 25px;
}

@media (max-width: 425px) {
  .page-actions {
    flex-wrap: wrap;
  }
}

/* === Cards === */
.card {
  background: var(--card);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 24px;
}

/* === Stats grid === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  border-top: 3px solid var(--border);
  position: relative;
  overflow: hidden;
}

.stat-card.company { border-top-color: var(--company); }
.stat-card.private { border-top-color: var(--private); }

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 18px;
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.stat-card.company .stat-icon { background: var(--company-bg); color: var(--company); }
.stat-card.private .stat-icon { background: var(--private-bg); color: var(--private); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.stat-card.company .stat-label { color: var(--company); }
.stat-card.private .stat-label { color: var(--private); }

.stat-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
  line-height: 1;
}

.stat-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 3px;
}

.stat-sub {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

/* === Filter bar === */
.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar .form-group {
  margin-bottom: 0;
}

.filter-bar label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: 5px;
}

/* === Events list === */
.events-wrap {
  background: var(--card);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.events-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
}

.events-empty .material-symbols-rounded {
  font-size: 40px;
  display: block;
  margin-bottom: 8px;
  opacity: .4;
}

.event-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}

.event-row:last-child { border-bottom: none; }
.event-row:hover { background: #FAFBFC; }

.event-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.event-icon-wrap.trip   { background: #F0FDF4; color: var(--success); }
.event-icon-wrap.fuel-company { background: var(--company-bg); color: var(--company); }
.event-icon-wrap.fuel-private { background: var(--private-bg);  color: var(--private); }

.event-body { flex: 1; min-width: 0; }

.event-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-detail {
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-right {
  text-align: right;
  flex-shrink: 0;
}

.event-km {
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
}

.event-date {
  font-size: 11px;
  color: var(--muted);
  margin-top: 1px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-left: 6px;
}

.badge-company { background: var(--company-bg); color: var(--company); }
.badge-private  { background: var(--private-bg);  color: var(--private); }

/* === Forms === */
.form-wrap {
  max-width: 540px;
}

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

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: .01em;
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: #FFFFFF;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  -webkit-appearance: none;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}

textarea {
  resize: vertical;
  min-height: 82px;
}

input[type="number"] {
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* === Radio cards === */
.radio-group {
  display: flex;
  gap: 10px;
}

.radio-option {
  flex: 1;
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: border-color .15s, background .15s, color .15s;
  color: var(--muted);
  background: #FAFBFC;
  user-select: none;
}

.radio-label .material-symbols-rounded {
  font-size: 18px;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.radio-option.company input:checked ~ .radio-label {
  border-color: var(--company);
  background: var(--company-bg);
  color: var(--company);
}

.radio-option.company input:checked ~ .radio-label .material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.radio-option.private input:checked ~ .radio-label {
  border-color: var(--private);
  background: var(--private-bg);
  color: var(--private);
}

.radio-option.private input:checked ~ .radio-label .material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--r-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, box-shadow .15s, transform .1s;
  outline: none;
}

.btn:active { transform: scale(.98); }

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--muted);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background: var(--text);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1.5px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg);
  color: var(--text);
}

.btn .material-symbols-rounded {
  font-size: 18px;
}

/* === Alerts === */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 500;
}

.alert .material-symbols-rounded { font-size: 18px; flex-shrink: 0; }

.alert-success {
  background: var(--success-bg);
  color: #166534;
  border: 1px solid #BBF7D0;
}

.alert-error {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* === Login page === */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--sidebar-bg);
}

.login-card {
  background: var(--card);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}

.login-icon {
  width: 60px;
  height: 60px;
  background: #EEF2FF;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  font-size: 30px;
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.login-card h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.login-card .subtitle {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
}

.login-card .form-group { text-align: left; margin-bottom: 16px; }

.login-card label { font-size: 12px; }

.login-card input {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.btn-login {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 14px;
}

/* === Divider === */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* === Icon button (edit) === */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 7px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity .15s, background .15s, color .15s;
}

.btn-icon .material-symbols-rounded {
  font-size: 17px;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.btn-icon:hover {
  background: var(--bg);
  color: var(--primary);
}

/* Zobrazí se při hoveru na řádku (desktop) */
.event-row:hover .btn-icon { opacity: 1; }

/* Na mobilu vždy viditelné */
@media (max-width: 640px) {
  .btn-icon { opacity: 1; }
}

/* === Hamburger button (skrytý na desktopu) === */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,.08);
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: #FFFFFF;
  flex-shrink: 0;
  transition: background .15s;
}

.nav-toggle:hover { background: rgba(255,255,255,.16); }

.nav-toggle .material-symbols-rounded {
  font-size: 22px;
  transition: transform .2s;
}

/* Overlay pro zavření menu kliknutím vedle */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 56px 0 0 0;
  background: rgba(0,0,0,.45);
  z-index: 150;
}

.mobile-overlay.open { display: block; }

/* === Mobile === */
@media (max-width: 1000px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 750px) {
  /* Top bar */
  .sidebar {
    width: 100%;
    height: 56px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    bottom: auto;
    padding: 0 10px 0 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .sidebar-brand {
    padding: 0 14px;
    border-bottom: none;
    flex: 1;
  }

  .sidebar-brand h1 { font-size: 14px; }
  .sidebar-brand p  { display: none; }

  /* Hamburger viditelný */
  .nav-toggle { display: flex; }

  /* Rozbalovací nav */
  .sidebar-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 6px 0 12px;
    background: var(--sidebar-bg);
    z-index: 200;
    box-shadow: 0 8px 32px rgba(0,0,0,.35);
    border-top: 1px solid rgba(255,255,255,.07);
    /* Animace otevření */
    transform: translateY(-8px);
    opacity: 0;
    transition: transform .2s ease, opacity .2s ease;
  }

  .sidebar-nav.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link {
    height: 50px;
    padding: 0 20px;
    flex-direction: row;
    gap: 14px;
    font-size: 14px;
    border-left: 3px solid transparent;
    border-bottom: none;
    white-space: normal;
  }

  .nav-link.active {
    border-left-color: var(--primary);
    border-bottom-color: transparent;
  }

  .main {
    margin-left: 0;
    padding: 72px 16px 28px;
  }

  .stats-grid { grid-template-columns: 1fr; gap: 10px; }
  .stat-value { font-size: 20px; }
  .stat-icon  { margin-bottom: 10px; }
  .radio-group { flex-direction: column; }
  .filter-bar { flex-direction: column; align-items: stretch; }
}