/* style_login.css */
:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #dbe3ee;
  --primary: #0b3b75;
  --primary-2: #0f5aa6;
  --soft: #e8f1fb;
  --success: #1f8a5b;
  --warning: #c47a00;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 8px 26px rgba(31, 41, 55, 0.06);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 36px 34px 40px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6bb6ff, #0b2545);
  display: grid;
  place-items: center;
  color: #ffffff;
  font-weight: 800;
}

.brand-title {
  font-size: 17px;
  line-height: 1.25;
  font-weight: 700;
  color: #0b2545;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}

h1 {
  margin: 0;
  font-size: 24px;
  color: #0b2545;
}

.login-desc {
  margin: 8px 0 24px;
  font-size: 13px;
  color: var(--muted);
}

.login-error {
  background: #fdf2f2;
  border: 1px solid #fecdca;
  color: var(--danger);
  font-size: 13px;
  font-weight: 700;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 18px;
}

label {
  font-size: 12px;
  font-weight: 700;
  color: #41556b;
  display: block;
  margin-bottom: 7px;
}

input {
  width: 100%;
  border: 1px solid #cfd9e6;
  border-radius: 10px;
  padding: 12px 13px;
  background: white;
  font-size: 14px;
  color: var(--text);
  outline: none;
  margin-bottom: 18px;
}

input:focus {
  border-color: var(--primary-2);
  box-shadow: 0 0 0 3px rgba(15, 90, 166, 0.12);
}

.btn {
  border: 0;
  border-radius: 11px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

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

.login-submit {
  width: 100%;
  margin-top: 6px;
}