/**
 * GawangPinas Admin — Authentication Stylesheet (auth.css)
 * Synchronized with BRAND-KIT.md v2.0 (Taste Skill v2 Protocol Verified)
 * High-Craft Institutional Auth Architecture (Login, 2FA, RBAC Admin Gateway)
 */

@import './design-tokens.css';

:root {
  --auth-bg:            var(--bg-app);
  --auth-card-bg:       var(--bg-surface);
  --auth-border:        var(--border-light);
  --auth-text-main:     var(--text-main);
  --auth-text-heading:  var(--text-heading);
  --auth-text-muted:    var(--text-muted);
  --auth-primary:       var(--primary);
  --auth-primary-hover: var(--primary-hover);
  --auth-danger:        var(--danger-text);
  --auth-danger-bg:     var(--danger-bg);
  --auth-danger-border: var(--danger-border);
  --auth-radius:        var(--radius-xl);
  --auth-font:          var(--font-body);
}

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

html, body.login-body {
  min-height: 100vh;
  font-family: var(--auth-font);
  background-color: var(--auth-bg);
  color: var(--auth-text-main);
  line-height: var(--gp-line-height-normal);
  font-size: var(--gp-font-size-base);
  -webkit-font-smoothing: antialiased;
}

body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.login-container {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.login-card {
  background: var(--auth-card-bg);
  border: 1px solid var(--auth-border);
  border-radius: var(--auth-radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-modal);
  text-align: center;
}

.login-logo {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px auto;
  display: block;
  border-radius: 14px;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--auth-text-heading);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--auth-text-muted);
  margin-bottom: 24px;
  line-height: 1.45;
}

/* ── Form Controls & Groups ── */
.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-group label,
.login-card label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--auth-text-heading);
  margin-bottom: 6px;
  text-align: left;
}

.form-group input,
.login-card input[type="email"],
.login-card input[type="password"],
.login-card input[type="text"] {
  display: block;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--auth-text-main);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  caret-color: var(--primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.login-card input:focus {
  outline: none;
  border-color: var(--auth-primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder,
.login-card input::placeholder {
  color: var(--text-faint);
}

/* ── Password Toggle Container ── */
.input-password-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.input-password-wrap input {
  padding-right: 42px !important;
}

.input-password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--auth-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.input-password-toggle:hover {
  color: var(--auth-text-heading);
  background: var(--bg-surface-2);
}

/* ── Buttons ── */
.btn-block,
.login-card button[type="submit"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 40px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background: var(--auth-primary);
  border: 1px solid var(--auth-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  margin-top: 12px;
  box-shadow: var(--shadow-xs);
}

.btn-block:hover,
.login-card button[type="submit"]:hover {
  background: var(--auth-primary-hover);
  border-color: var(--auth-primary-hover);
  box-shadow: var(--shadow-sm);
}

.btn-block:active,
.login-card button[type="submit"]:active {
  transform: translateY(1px);
}

.btn-block:disabled,
.login-card button[type="submit"]:disabled {
  background: var(--bg-surface-3);
  border-color: var(--border-light);
  color: var(--text-faint);
  cursor: not-allowed;
  transform: none !important;
}

/* ── 2FA Code Input ── */
.code-input {
  display: block;
  width: 100%;
  height: 48px;
  font-size: 24px !important;
  letter-spacing: 6px !important;
  text-align: center !important;
  font-weight: 700 !important;
  font-family: var(--font-mono) !important;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  text-transform: uppercase;
  color: var(--auth-text-heading) !important;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  margin: 14px 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.code-input:focus {
  outline: none;
  border-color: var(--auth-primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* ── Alert Messages (Full Semantic Surfaces) ── */
.alert-error,
.alert-danger,
.login-card .alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--auth-danger-bg);
  border: 1px solid var(--auth-danger-border);
  color: var(--auth-danger);
  border-radius: var(--radius-md);
  font-size: 13px;
  text-align: left;
  margin-bottom: 20px;
  line-height: 1.45;
}

.alert-error strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 2px;
}

.alert-error span {
  font-size: 12px;
}

/* ── Accessibility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--auth-primary);
  outline-offset: 2px;
}

/* ── RBAC Migration Tool Helper Styles ── */
body.rbac-body {
  background-color: var(--auth-bg);
  padding: 40px 20px;
  min-height: 100vh;
  font-family: var(--auth-font);
  color: var(--auth-text-main);
}

.mig-container {
  max-width: 680px;
  margin: 0 auto;
}

.mig-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}

.step-ok {
  padding: 10px 14px;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
}

.step-fail {
  padding: 10px 14px;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}

.info-row:last-child {
  border-bottom: none;
}

.btn-run {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--auth-primary);
  color: #ffffff;
  border: 1px solid var(--auth-primary);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-run:hover {
  background: var(--auth-primary-hover);
  border-color: var(--auth-primary-hover);
}

.btn-run:active {
  transform: translateY(1px);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-surface);
  color: var(--auth-text-main);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.btn-back:hover {
  background: var(--bg-surface-2);
  color: var(--text-heading);
}

@media (max-width: 480px) {
  .login-card {
    padding: 24px 20px;
  }
}