:root {
  --bg: #f6fbf7;
  --panel: #ffffff;
  --accent: #aad369;
  --accent-strong: #91c24f;
  --text: #1f2a23;
  --muted: #5b6a61;
  --border: #dbe9df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background: url("slike/login_background.png") center / cover no-repeat;
  opacity: 0.5;
  z-index: -2;
}

body::after {
  background:
    radial-gradient(60% 60% at 10% 10%, rgba(237, 246, 231, 0.9) 0%, transparent 60%),
    radial-gradient(50% 50% at 90% 0%, rgba(230, 243, 214, 0.9) 0%, transparent 55%);
  z-index: -1;
}

.card {
  width: 100%;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(31, 42, 35, 0.08);
  padding: 28px 28px 32px;
}

.logo {
  display: block;
  width: 350px;
  max-width: 100%;
  height: auto;
  margin: 6px auto 18px;
}

h1 {
  font-size: 20px;
  margin: 0 0 6px;
  text-align: center;
  font-weight: 600;
}

.subtitle {
  text-align: center;
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 14px;
}

.alert {
  margin: 0 0 18px;
  padding: 14px 16px;
  border: 1px solid #d98f8f;
  border-radius: 12px;
  background: #f8d7da;
  color: #7c1f28;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(124, 31, 40, 0.12);
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 6px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  outline: none;
  background: #fbfdfc;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px rgba(170, 211, 105, 0.25);
}

.btn {
  margin-top: 18px;
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 600;
  color: #1b2a12;
  background: linear-gradient(180deg, #cde7a1 0%, var(--accent) 100%);
  border: 1px solid var(--accent-strong);
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.15s ease;
}

.btn:hover {
  box-shadow: 0 6px 14px rgba(170, 211, 105, 0.35);
}

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  display: block;
  margin: 18px 0 0 auto;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #1b2a12;
  background: linear-gradient(180deg, #cde7a1 0%, var(--accent) 100%);
  border: 1px solid var(--accent-strong);
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.15s ease;
}

.btn-secondary:hover {
  box-shadow: 0 6px 14px rgba(170, 211, 105, 0.35);
}

.btn-secondary:active {
  transform: translateY(1px);
}

.note {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 480px) {
  .card {
    padding: 22px 20px 24px;
  }

  .logo {
    width: 80vw;
  }
}