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

:root {
  --surface:             #fbf9f8;
  --surface-container-low: #f6f3f2;
  --surface-container:   #f0eded;
  --on-surface:          #1b1c1c;
  --on-surface-variant:  #404849;
  --outline:             #707979;
  --outline-variant:     #c0c8c9;
  --primary:             #14454a;
  --primary-container:   #2f5d62;
  --on-primary:          #ffffff;
  --secondary:           #3c6840;
  --error:               #ba1a1a;
  --error-container:     #ffdad6;
}

body {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--surface-container) 0%, var(--surface) 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--on-surface);
}

.login-wrapper {
  width: 100%;
  max-width: 360px;
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* Header */
.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.login-header img {
  width: 230px;
  height: 230px;
  object-fit: contain;
}

.login-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.02em;
}

.login-header p {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
}

/* Card */
.login-card {
  width: 100%;
  background: #ffffff;
  border-radius: 1.25rem;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Field */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--surface-container-low);
  border: 1.5px solid var(--outline-variant);
  border-radius: 0.625rem;
  padding: 0.625rem 0.875rem;
  transition: border-color 0.2s;
}

.input-wrap:focus-within {
  border-color: var(--primary-container);
}

.input-wrap.error {
  border-color: var(--error);
  background: var(--error-container);
}

.input-wrap svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--outline);
}

.input-wrap input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 0.9375rem;
  color: var(--on-surface);
  outline: none;
}

.input-wrap input::placeholder {
  color: var(--outline);
}

/* Error msg */
.field-error {
  font-size: 0.75rem;
  color: var(--error);
  display: none;
}

/* Button */
.btn-login {
  width: 100%;
  padding: 0.875rem;
  background: var(--primary-container);
  color: var(--on-primary);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-login:hover  { background: var(--primary); }
.btn-login:active { transform: scale(0.98); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Footer links */
.login-footer {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
}

.login-footer a {
  color: var(--secondary);
  font-weight: 500;
  text-decoration: none;
}

.login-footer a:hover { text-decoration: underline; }