/* ============================================================
   SteaV Auth Pages — auth.css
   Shared styles for login, register, forgot-password, verify, invite
   ============================================================ */

:root {
  --bg:          #070C18;
  --bg-card:     #0D1526;
  --bg-dark:     #060A14;
  --teal:        #00C9A7;
  --teal-dim:    #00C9A720;
  --teal-border: #00C9A730;
  --purple:      #7C3AED;
  --purple-dim:  #7C3AED20;
  --green:       #10B981;
  --amber:       #F59E0B;
  --red:         #EF4444;
  --text:        #E2E8F0;
  --text-muted:  #64748B;
  --text-faint:  #334155;
  --border:      #1E293B;
  --border-teal: rgba(0,201,167,0.2);
  --font-sans:   'Inter', -apple-system, system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--teal); text-decoration: none; }
a:hover { opacity: 0.85; }

/* ---- Auth Layout ---- */
.auth-layout {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  position: relative;
  overflow: hidden;
}

.auth-layout::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,201,167,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,201,167,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
  pointer-events: none;
}

.auth-layout::after {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,201,167,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Auth Card ---- */
.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: rgba(13, 21, 38, 0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.auth-card-wide {
  max-width: 480px;
}

/* ---- Logo ---- */
.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 32px;
  justify-content: center;
}

.auth-logo .logo-mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.auth-logo .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ---- Auth Header ---- */
.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- Form ---- */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: rgba(7, 12, 24, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.form-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.1);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--red);
}

.form-input-icon {
  position: relative;
}

.form-input-icon .form-input {
  padding-left: 40px;
}

.form-input-icon > svg {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
  z-index: 1;
}

/* Password visibility toggle */
.form-input-icon:has(.password-toggle) .form-input {
  padding-right: 40px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
  z-index: 2;
}

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

/* ---- Form Row (side by side) ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ---- Checkbox / Remember me ---- */
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(7, 12, 24, 0.6);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.form-check input[type="checkbox"]:checked {
  background: var(--teal);
  border-color: var(--teal);
}

.form-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-check label {
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
}

/* ---- Form Extras (forgot password link, etc.) ---- */
.form-extras {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-link {
  font-size: 13px;
  color: var(--teal);
  font-weight: 500;
}

/* ---- Buttons ---- */
.btn-auth {
  width: 100%;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-auth-primary {
  background: var(--teal);
  color: #000;
}

.btn-auth-primary:hover {
  background: #00e0bb;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,201,167,0.3);
}

.btn-auth-primary:active {
  transform: translateY(0);
}

.btn-auth-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-auth-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-auth-ghost:hover {
  background: rgba(255,255,255,0.08);
}

/* Loading spinner in button */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

.btn-auth-primary.loading .btn-spinner {
  display: block;
}

.btn-auth-primary.loading .btn-text {
  display: none;
}

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

/* ---- Divider ---- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- SSO / Social buttons ---- */
.sso-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-sso {
  width: 100%;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s;
}

.btn-sso:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.btn-sso svg {
  flex-shrink: 0;
}

/* ---- Auth Footer ---- */
.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--teal);
  font-weight: 500;
}

/* ---- Alert / Error messages ---- */
.auth-alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  display: none;
  align-items: flex-start;
  gap: 10px;
}

.auth-alert.visible {
  display: flex;
}

.auth-alert-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #FCA5A5;
}

.auth-alert-success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #6EE7B7;
}

.auth-alert-info {
  background: rgba(0, 201, 167, 0.06);
  border: 1px solid var(--teal-border);
  color: var(--teal);
}

.auth-alert svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---- Password strength meter ---- */
.password-strength {
  display: flex;
  gap: 4px;
  height: 3px;
  margin-top: 4px;
}

.password-strength-bar {
  flex: 1;
  height: 100%;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s;
}

.password-strength[data-strength="1"] .password-strength-bar:nth-child(1) { background: var(--red); }
.password-strength[data-strength="2"] .password-strength-bar:nth-child(-n+2) { background: var(--amber); }
.password-strength[data-strength="3"] .password-strength-bar:nth-child(-n+3) { background: var(--amber); }
.password-strength[data-strength="4"] .password-strength-bar:nth-child(-n+4) { background: var(--green); }

.password-hint {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 4px;
  transition: color 0.2s;
}

.password-hint.met { color: var(--green); }
.password-hint.unmet { color: var(--text-faint); }

/* ---- Success state (verify email, etc.) ---- */
.auth-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0,201,167,0.1);
  border: 2px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--teal);
}

.auth-success-icon.pending {
  border-color: var(--amber);
  background: rgba(245,158,11,0.1);
  color: var(--amber);
}

/* ---- TOTP input ---- */
.totp-inputs {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.totp-input {
  width: 44px;
  height: 52px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  background: rgba(7, 12, 24, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.totp-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.1);
}

/* ---- Invite card extras ---- */
.invite-info {
  background: rgba(0,201,167,0.04);
  border: 1px solid var(--teal-border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  margin-bottom: 8px;
}

.invite-info .invite-from {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 4px;
}

.invite-info .invite-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---- Minimal nav for auth pages ---- */
.auth-nav {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(30,41,59,0.5);
}

.auth-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.auth-nav-logo .logo-mark {
  width: 24px;
  height: 24px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.auth-nav-logo .logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.auth-nav-link {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.auth-nav-link a {
  color: var(--teal);
  font-weight: 600;
}

/* ---- Terms ---- */
.auth-terms {
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
  line-height: 1.5;
}

.auth-terms a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .auth-card {
    padding: 32px 24px;
    border-radius: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .auth-header h1 {
    font-size: 22px;
  }

  .totp-input {
    width: 38px;
    height: 46px;
    font-size: 18px;
  }
}