/* ============================================
   APELIN s.r.o. — AIS Login
   Dark industrial theme · Barlow Condensed
   Matches apelin.sk redesign style
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=Barlow:wght@400;500&display=swap');

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

:root {
  --navy:         #0D1B2A;
  --navy-mid:     #112234;
  --steel:        #1B3A5C;
  --accent:       #E85D26;
  --accent-light: #FF7A42;
  --silver:       #C8D6E5;
  --muted:        #7A98B5;
  --white:        #F5F8FC;
  --border:       rgba(200, 214, 229, 0.1);
  --border-focus: rgba(232, 93, 38, 0.5);
  --error:        #E24B4A;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
}

/* ---------- Page ---------- */
html, body {
  height: 100%;
}

body {
  background-color: var(--navy);
  /* Subtle grid pattern for depth */
  background-image:
    linear-gradient(rgba(200, 214, 229, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 214, 229, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Card wrapper ---------- */
.wrapper {
  width: 100%;
  max-width: 380px;
  padding: 20px;
  animation: fadeUp 0.5s ease both;
}

/* Logo / title area */
.wrapper h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--white);
  text-align: center;
  margin-bottom: 6px;
}

/* Orange accent line under title */
.wrapper h1::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 10px auto 0;
}

/* Subtitle / brand name above the card */
.wrapper::before {
  content: 'APELIN s.r.o.';
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 5px;
  color: var(--accent);
  text-align: center;
  margin-bottom: 8px;
  opacity: 0.85;
}

/* ---------- Login card ---------- */
form {
  background: rgba(27, 58, 92, 0.25);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 28px 28px;
  margin-top: 28px;
  backdrop-filter: blur(4px);
}

/* ---------- Form groups ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 0;
}

/* Remove <br> visual impact — we use gap instead */
br { display: none; }

/* ---------- Inputs ---------- */
.form-control {
  width: 100%;
  background: rgba(13, 27, 42, 0.6);
  border: 1px solid rgba(200, 214, 229, 0.15);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

.form-control::placeholder {
  color: rgba(122, 152, 181, 0.55);
  letter-spacing: 0.5px;
}

.form-control:focus {
  border-color: var(--border-focus);
  background: rgba(27, 58, 92, 0.45);
  box-shadow: 0 0 0 3px rgba(232, 93, 38, 0.08);
}

.form-control:hover:not(:focus) {
  border-color: rgba(200, 214, 229, 0.25);
}

/* Invalid state */
.form-control.is-invalid {
  border-color: rgba(226, 75, 74, 0.5);
}
.form-control.is-invalid:focus {
  border-color: rgba(226, 75, 74, 0.7);
  box-shadow: 0 0 0 3px rgba(226, 75, 74, 0.08);
}

/* ---------- Validation feedback ---------- */
.invalid-feedback {
  font-size: 12px;
  color: var(--error);
  margin-top: -6px;
  min-height: 0;
  line-height: 1.4;
}

.invalid-feedback p2,
.invalid-feedback p {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--error);
}

/* ---------- Alert (login error) ---------- */
.alert {
  border-radius: 6px;
  padding: 11px 16px;
  margin-bottom: 16px;
  font-size: 13px;
}

.alert-danger {
  background: rgba(226, 75, 74, 0.1);
  border: 1px solid rgba(226, 75, 74, 0.3);
  color: #f09595;
}

.alert-danger p2,
.alert-danger p {
  font-family: var(--font-body);
  font-size: 13px;
  color: #f09595 !important;
}

/* ---------- Submit button ---------- */
.btn {
  display: inline-block;
  width: 100%;
  padding: 13px 28px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  margin-top: 4px;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232, 93, 38, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ---------- Register link ---------- */
.reg {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.reg:hover {
  color: var(--silver);
}

.reg::before {
  content: '— ';
  opacity: 0.4;
}
.reg::after {
  content: ' —';
  opacity: 0.4;
}

/* ---------- Footer note ---------- */
form::after {
  content: 'Apelin s.r.o. · Interný systém';
  display: block;
  text-align: center;
  margin-top: 24px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(122, 152, 181, 0.35);
  font-family: var(--font-display);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ---------- Animation ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 420px) {
  .wrapper {
    padding: 16px;
  }
  form {
    padding: 24px 20px 20px;
  }
  .wrapper h1 {
    font-size: 30px;
  }
}