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

:root {
  --font: "Plus Jakarta Sans", sans-serif;
  --bg: #1a361a;
  --surface: oklch(18% 0.04 140);
  --border: oklch(28% 0.05 140);
  --text-1: oklch(95% 0.01 80);
  --text-2: oklch(75% 0.01 80);
  --text-3: oklch(60% 0.01 80);
  --accent: oklch(55% 0.12 60);
  --accent-hover: oklch(60% 0.12 60);
  --red: oklch(55% 0.17 20);
  --red-soft: oklch(25% 0.08 20);
  --shadow-md: 0 4px 20px oklch(0% 0 0 / 0.3);
  --r: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.login-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, oklch(45% 0.12 60), oklch(55% 0.14 80));
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin: 0 auto 20px;
}

h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-1);
  text-align: center;
  margin-bottom: 6px;
}

.subtitle {
  font-size: 13px;
  color: var(--text-3);
  text-align: center;
  margin-bottom: 28px;
  font-weight: 500;
}

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  margin-bottom: 7px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.password-wrapper {
  position: relative;
}

.password-wrapper input {
  width: 100%;
  padding-right: 44px;
}

input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  font-size: 15px;
  color: var(--text-1);
  background: oklch(22% 0.04 140);
  font-family: var(--font);
  font-weight: 500;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
  outline: none;
}

input[type="password"]:focus,
input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px oklch(55% 0.12 60 / 0.15);
}

.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  transition: color 0.18s ease;
  width: auto;
  margin: 0;
}

.toggle-pw:hover {
  color: var(--text-1);
  filter: none;
  transform: translateY(-50%);
}

.error {
  background: var(--red-soft);
  border: 1px solid oklch(40% 0.1 20);
  color: oklch(75% 0.12 20);
  border-radius: var(--r);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

button[type="submit"] {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-lg);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition:
    filter 0.18s ease,
    transform 0.18s ease;
  margin-top: 4px;
}

button[type="submit"]:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

button[type="submit"]:active {
  transform: translateY(0);
  filter: brightness(0.95);
}