/* ========================================
   Auth Pages - Shared Styles
   ======================================== */

/* Design Tokens */
:root {
  /* Backgrounds */
  --bg-app: #F7F7F5;
  --bg-surface: #FFFFFF;
  --bg-surface-2: #F1F2EE;
  --bg-inset: #E8EAE4;

  /* Text */
  --text-primary: #1C1F1A;
  --text-secondary: #3E463B;
  --text-muted: #6A7368;
  --text-inverse: #F7F7F5;

  /* Borders */
  --border-low: #E1E4DC;
  --border-mid: #C7CCBE;
  --border-high: #AEB4A3;

  /* Brand */
  --brand-primary: #2B7A3D;
  --brand-primary-strong: #1F5E2E;
  --brand-primary-soft: #D6ECD9;

  /* Status */
  --status-error: #B33A3A;

  /* Focus */
  --focus-ring: #2B7A3D;

  /* Shadows */
  --shadow-color: rgba(15, 22, 15, 0.12);
  --elev-1: 0 1px 2px var(--shadow-color);
  --elev-2: 0 6px 16px var(--shadow-color);
  --elev-3: 0 12px 28px var(--shadow-color);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Radius */
  --radius-1: 4px;
  --radius-2: 8px;
  --radius-3: 12px;
  --radius-4: 16px;
  --radius-pill: 999px;

  /* Motion */
  --ease-default: cubic-bezier(0.2, 0.0, 0.2, 1);
  --duration-micro: 120ms;
  --duration-default: 180ms;
  --duration-large: 260ms;
}

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

html, body {
  height: 100%;
}

body {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-app);
  background-image:
    radial-gradient(circle at 20% 80%, var(--brand-primary-soft) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--brand-primary-soft) 0%, transparent 40%),
    linear-gradient(180deg, var(--bg-app) 0%, var(--bg-surface-2) 100%);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
}

/* Login Card */
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border-radius: var(--radius-4);
  box-shadow: var(--elev-3);
  overflow: hidden;
  animation: slideUp 0.4s var(--ease-default);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  background: url('avatar.jpg') center / cover no-repeat;
  height: 160px;
  position: relative;
}

.login-title-section {
  text-align: center;
  padding: var(--space-5) var(--space-6) 0;
}

.login-title {
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 400;
  margin-top: var(--space-1);
}

.login-body {
  padding: var(--space-6);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  font-family: inherit;
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-2);
  transition:
    border-color var(--duration-default) var(--ease-default),
    box-shadow var(--duration-default) var(--ease-default);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:hover {
  border-color: var(--border-high);
}

.form-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-soft);
}

/* Password visibility toggle */
.password-wrapper {
  position: relative;
}

.password-wrapper .form-input {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-1);
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--duration-default) var(--ease-default);
}

.password-toggle:hover {
  color: var(--text-secondary);
}

.password-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.password-toggle .icon-hidden {
  display: none !important;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  padding: 0 var(--space-6);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-inverse);
  background: linear-gradient(180deg, var(--brand-primary) 0%, var(--brand-primary-strong) 100%);
  border: none;
  border-radius: var(--radius-2);
  cursor: pointer;
  transition:
    transform var(--duration-micro) var(--ease-default),
    box-shadow var(--duration-default) var(--ease-default),
    background var(--duration-default) var(--ease-default);
  box-shadow: var(--elev-1), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn:hover {
  background: linear-gradient(180deg, var(--brand-primary-strong) 0%, var(--brand-primary-strong) 100%);
  box-shadow: var(--elev-2), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.98);
}

.btn svg {
  width: 20px;
  height: 20px;
  margin-right: var(--space-2);
  fill: currentColor;
}

/* Footer / Legal */
.login-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface-2);
  border-top: 1px solid var(--border-low);
}

.login-legal {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
  text-align: center;
}

.login-legal a {
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--duration-micro) var(--ease-default);
}

.login-legal a:hover {
  color: var(--brand-primary-strong);
  text-decoration: underline;
}

.form-link {
  display: block;
  font-size: 14px;
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 500;
  margin: var(--space-2) 0 var(--space-4) 0;
  transition: color var(--duration-micro) var(--ease-default);
}

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

.login-error {
  display: none;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  background: #FEF3F3;
  border: 1px solid var(--status-error);
  border-radius: var(--radius-2);
  color: var(--status-error);
  font-size: 14px;
  font-weight: 500;
}

.login-error.visible {
  display: block;
}

/* No-Script Warning */
.noscript-warning {
  max-width: 420px;
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  background: #FEF3F3;
  border: 1px solid var(--status-error);
  border-radius: var(--radius-2);
  color: var(--status-error);
  font-weight: 500;
  text-align: center;
}

/* Container (for datenschutz, etc.) */
.container {
  max-width: 720px;
  margin: 2rem auto;
  padding: var(--space-6);
}

/* Responsive */
@media (max-width: 480px) {
  body {
    padding: var(--space-3);
    justify-content: flex-start;
    padding-top: var(--space-8);
  }

  .login-card {
    border-radius: var(--radius-3);
  }

  .login-header {
    padding: var(--space-6) var(--space-4);
  }

  .login-body {
    padding: var(--space-5);
  }

  .login-footer {
    padding: var(--space-3) var(--space-4);
  }
}