:root {
  --primary: #0c9348;
  --primary-strong: #0a7d3d;
  --primary-deep: #086232;
  --primary-soft: #d7f4e3;
  --primary-glow: rgba(12, 147, 72, 0.35);
  --accent: #16a34a;
  --neutral-900: #0a1f14;
  --neutral-800: #142a1e;
  --neutral-700: #2f4a3a;
  --neutral-500: #5b7268;
  --neutral-400: #8aa096;
  --neutral-300: #c7d6ce;
  --neutral-100: #eef5f1;
  --neutral-50: #f6faf8;
  --neutral-0: #ffffff;
  --error: #dc2626;
  --error-soft: #fee2e2;
  --success: #0c9348;
  --warning: #f59e0b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px rgba(10, 31, 20, 0.15);
  --shadow-soft: 0 8px 24px rgba(10, 31, 20, 0.08);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--neutral-900);
  background: var(--neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.login-shell {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 100vh;
  position: relative;
}

/* ===== Hero panel ===== */
.login-hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.14), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(22, 163, 74, 0.55), transparent 50%),
    linear-gradient(155deg, #086232 0%, #0c9348 50%, #0a7d3d 100%);
  padding: 64px 64px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.login-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 75%);
  pointer-events: none;
}

/* Floating decorative bubbles */
.login-hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
  top: -80px;
  right: -80px;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 30px) scale(1.08); }
}

.hero-content { position: relative; max-width: 480px; z-index: 2; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 56px;
  animation: fadeUp 0.7s ease both;
}

.brand-mark {
  font-size: 1.6rem;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(6px);
  animation: bob 3s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-4px) rotate(4deg); }
}

.brand-name { letter-spacing: -0.01em; }

.login-hero h1 {
  font-size: 2.8rem;
  line-height: 1.12;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -0.025em;
  animation: fadeUp 0.7s ease 0.1s both;
}

.login-hero p {
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0 0 36px;
  color: rgba(255, 255, 255, 0.88);
  animation: fadeUp 0.7s ease 0.2s both;
}

.hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeUp 0.7s ease 0.3s both;
}

.hero-points li {
  position: relative;
  padding-left: 40px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.94);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  transition: transform 0.25s, background 0.25s;
}

.hero-points li:hover::before {
  background: #fff;
  color: var(--primary);
  transform: translateY(-50%) scale(1.15);
}

.hero-stat {
  margin-top: 48px;
  display: flex;
  gap: 36px;
  animation: fadeUp 0.7s ease 0.4s both;
}

.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-stat .label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Login panel ===== */
.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  position: relative;
  background:
    radial-gradient(circle at 100% 0%, var(--primary-soft), transparent 50%),
    var(--neutral-50);
}

.login-card {
  width: 100%;
  max-width: 410px;
  background: var(--neutral-0);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 44px 40px;
  animation: fadeUp 0.6s ease both;
  border: 1px solid var(--neutral-100);
}

.login-card h2 {
  margin: 0 0 6px;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0 0 30px;
  color: var(--neutral-500);
  font-size: 0.96rem;
}

/* Fields */
.field {
  display: block;
  margin-bottom: 18px;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--neutral-700);
}

.field input {
  width: 100%;
  padding: 13px 15px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--neutral-900);
  background: var(--neutral-50);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.field input::placeholder { color: var(--neutral-400); }

.field input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px var(--primary-soft);
}

.field.invalid input {
  border-color: var(--error);
  box-shadow: 0 0 0 4px var(--error-soft);
}

.password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrap input { padding-right: 68px; }

.toggle-pass {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.2s;
}

.toggle-pass:hover { background: var(--primary-soft); }

.field-error {
  display: block;
  min-height: 16px;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--error);
  animation: fadeUp 0.2s ease both;
}

/* Row */
.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0 26px;
  font-size: 0.88rem;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--neutral-700);
  cursor: pointer;
  user-select: none;
}

.checkbox input {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.link:hover { color: var(--primary-strong); text-decoration: underline; }

/* Submit button */
.btn-primary {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.08s, box-shadow 0.2s, background 0.2s;
  box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-primary:hover { box-shadow: 0 12px 28px var(--primary-glow); }
.btn-primary:hover::after { transform: translateX(100%); }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 4px 12px var(--primary-glow); }
.btn-primary:disabled { background: var(--neutral-300); cursor: not-allowed; box-shadow: none; }

.form-status {
  margin: 14px 0 0;
  font-size: 0.86rem;
  text-align: center;
  min-height: 18px;
}

.form-status.success { color: var(--success); font-weight: 500; }
.form-status.error { color: var(--error); font-weight: 500; }

.signup-hint {
  margin: 28px 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--neutral-500);
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: var(--neutral-400);
  font-size: 0.8rem;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--neutral-300);
}

/* Responsive */
@media (max-width: 880px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-hero { display: none; }
}

@media (max-width: 480px) {
  .login-card { padding: 32px 24px; box-shadow: none; border: none; border-radius: 0; }
  .login-panel { padding: 24px 16px; }
}