/* Global styles for Blackreach Enterprises */

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

:root {
  /* Colours */
  --color-primary: #1a1a1a;
  --color-primary-hover: #333333;
  --color-primary-active: #444444;
  --color-on-primary: #ffffff;
  --color-surface: #ffffff;
  --color-on-surface: #1c1b1f;
  --color-on-surface-variant: #49454f;
  --color-outline: #79747e;
  --color-outline-light: rgba(0, 0, 0, 0.16);
  --color-error: #b3261e;
  --color-success: #22c55e;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;   /* 4px  */
  --space-2: 0.5rem;    /* 8px  */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */

  /* Elevations */
  --md-elevation-1: 0 1px 2px rgba(0,0,0,0.30), 0 1px 3px 1px rgba(0,0,0,0.15);
  --md-elevation-2: 0 1px 2px rgba(0,0,0,0.30), 0 2px 6px 2px rgba(0,0,0,0.15);
  --md-elevation-3: 0 4px 8px 3px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.30);

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: url("https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1920&q=80&auto=format&fit=crop");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 0;
}

/* ─── Loading Overlay ───────────────────────────────────────────────────── */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.9s ease-in-out infinite;
}

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

/* ─── Toast ─────────────────────────────────────────────────────────────── */

.message-toast {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--md-elevation-3);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  transform: translateX(calc(100% + var(--space-4)));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 360px;
  min-width: 240px;
}

.message-toast.show {
  transform: translateX(0);
}

.message-toast.error {
  border-left: 4px solid var(--color-error);
}

.message-toast.success {
  border-left: 4px solid var(--color-success);
}

.message-toast .material-icons {
  font-size: 20px;
  flex-shrink: 0;
}

.message-toast.error .material-icons { color: var(--color-error); }
.message-toast.success .material-icons { color: var(--color-success); }

.message-toast .message-text {
  font-size: 0.875rem;
  color: var(--color-on-surface);
  flex: 1;
  line-height: 1.4;
}

.message-toast .close-toast {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-outline);
  display: flex;
  align-items: center;
  padding: var(--space-1);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.message-toast .close-toast:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* ─── Page Layout ───────────────────────────────────────────────────────── */

.page-layout {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  align-items: center;
  padding: var(--space-8) var(--space-8);
  padding-left: clamp(var(--space-8), 8vw, 8rem);
}

/* ─── Auth Card ─────────────────────────────────────────────────────────── */

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--md-elevation-3);
  padding: var(--space-8) var(--space-8) var(--space-6);
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ─── Card Header ───────────────────────────────────────────────────────── */

.card-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-on-surface);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-1);
  font-variant: small-caps;
  text-transform: lowercase;
  text-align: center;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  font-weight: 400;
  text-align: center;
  margin-bottom: var(--space-6);
}

/* ─── Text Fields ───────────────────────────────────────────────────────── */

.text-field {
  position: relative;
  width: 100%;
  margin-bottom: var(--space-4);
}

.text-field input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-on-surface);
  background: transparent;
  outline: none;
  transition:
    border-color var(--transition-fast),
    border-width 0.1s ease;
  -webkit-appearance: none;
}

.text-field input:focus {
  border: 2px solid var(--color-primary);
}

/* Floating label */
.text-field label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--color-outline);
  background: transparent;
  pointer-events: none;
  line-height: 1;
  transition:
    top var(--transition-fast),
    left var(--transition-fast),
    font-size var(--transition-fast),
    color var(--transition-fast),
    padding var(--transition-fast);
}

.text-field input:focus + label,
.text-field input:not(:placeholder-shown) + label {
  top: 0;
  left: 10px;
  transform: translateY(-50%);
  font-size: 0.72rem;
  padding: 0 4px;
  background: var(--color-surface);
  z-index: 1;
}

.text-field input:focus + label {
  color: var(--color-primary);
}

.text-field input:not(:focus) + label {
  color: var(--color-outline);
}

/* Error state */
.text-field.has-error input {
  border-color: var(--color-error);
}

.text-field.has-error input:focus {
  border-color: var(--color-error);
  border-width: 2px;
}

.text-field.has-error input:focus + label,
.text-field.has-error input:not(:placeholder-shown) + label {
  color: var(--color-error);
}

.text-field.has-error label {
  color: var(--color-error);
}

.field-error {
  font-size: 0.72rem;
  color: var(--color-error);
  padding-left: 16px;
  margin-top: calc(-1 * var(--space-3));
  margin-bottom: var(--space-2);
  display: none;
}

.text-field.has-error + .field-error {
  display: block;
}

/* Password input with toggle */
.text-field input[type="password"],
.text-field input.has-toggle {
  padding-right: 48px;
}

.text-field .pwd-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.text-field .pwd-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
}

.text-field .pwd-toggle .material-icons {
  font-size: 20px;
}

/* ─── Password Feedback ─────────────────────────────────────────────────── */

.pwd-feedback {
  width: 100%;
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-2);
}

.pwd-hint {
  display: none;
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  padding-left: 16px;
  margin-bottom: var(--space-2);
  line-height: 1.4;
}

/* Strength bar */
.strength-wrapper {
  display: none;
  width: 100%;
  padding: 0 2px;
  margin-bottom: var(--space-2);
}

.strength-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.strength-track {
  flex: 1;
  height: 3px;
  background: #e0e0e0;
  border-radius: 2px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  border-radius: 2px;
  width: 0%;
  transition:
    width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    background-color 0.35s ease;
}

.strength-label {
  font-size: 0.7rem;
  font-weight: 600;
  min-width: 44px;
  text-align: right;
  transition: color 0.35s ease;
}

/* ─── Confirm Password ──────────────────────────────────────────────────── */

.confirm-wrapper {
  display: none;
  width: 100%;
}

.confirm-wrapper.visible {
  display: block;
  animation: slide-down var(--transition-med) both;
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Forgot Link ───────────────────────────────────────────────────────── */

.forgot-link {
  align-self: flex-end;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-4);
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.forgot-link:hover {
  color: var(--color-primary-hover);
  border-bottom-color: rgba(0, 0, 0, 0.4);
}

/* ─── Turnstile ─────────────────────────────────────────────────────────── */

.turnstile-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */

.btn-filled {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  margin-bottom: var(--space-3);
}

.btn-filled:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--md-elevation-1);
}

.btn-filled:active {
  background: var(--color-primary-active);
  box-shadow: none;
}

.btn-filled:focus-visible {
  outline: 3px solid rgba(26, 26, 26, 0.4);
  outline-offset: 2px;
}

.btn-outlined {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 42px;
  background: var(--color-surface);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-outlined:hover {
  background: rgba(0, 0, 0, 0.04);
  box-shadow: var(--md-elevation-1);
}

.btn-outlined:active {
  background: rgba(0, 0, 0, 0.08);
  box-shadow: none;
}

.btn-outlined:focus-visible {
  outline: 3px solid rgba(0, 0, 0, 0.3);
  outline-offset: 2px;
}

.google-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ─── Divider ───────────────────────────────────────────────────────────── */

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  margin: var(--space-3) 0;
  color: #5c5866;
  font-size: 0.8125rem;
  font-weight: 500;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(0, 0, 0, 0.18);
}

/* Solid rule — no text, no gap */
.divider:empty {
  gap: 0;
  margin-bottom: 0;
}

/* ─── Ripple ────────────────────────────────────────────────────────────── */

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: scale(0);
  animation: ripple-anim 0.5s linear;
  pointer-events: none;
}

.btn-outlined .ripple {
  background: rgba(0, 0, 0, 0.08);
}

@keyframes ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

/* ─── Card Footer ───────────────────────────────────────────────────────── */

.card-footer-text {
  margin-top: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-outline-light);
  width: 100%;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
}

.card-footer-text a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.card-footer-text a:hover {
  border-bottom-color: rgba(0, 0, 0, 0.4);
}

/* ─── Page Footer ───────────────────────────────────────────────────────── */

.page-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-8);
  font-size: 0.8125rem;
  font-weight: 600;
  font-variant: small-caps;
  text-transform: lowercase;
  letter-spacing: 0.03em;
}

.page-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-footer a:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.55);
}

.page-footer span {
  color: rgba(255, 255, 255, 0.4);
  font-weight: 400;
}

/* ─── Selection ─────────────────────────────────────────────────────────── */

::selection {
  background-color: #222222;
  color: #ffffff;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .page-layout {
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-6) var(--space-4);
    padding-top: clamp(var(--space-8), 8vh, 4rem);
  }

  .auth-card {
    padding: var(--space-6) var(--space-5) var(--space-5);
    border-radius: var(--radius-md);
  }

  .card-logo {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-3);
  }

  .card-title {
    font-size: 1.25rem;
  }

  .card-subtitle {
    font-size: 0.8125rem;
    margin-bottom: var(--space-5);
  }

  .message-toast {
    top: var(--space-3);
    right: var(--space-3);
    left: var(--space-3);
    max-width: unset;
    transform: translateY(calc(-100% - var(--space-3)));
  }

  .message-toast.show {
    transform: translateY(0);
  }

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

@media (max-width: 360px) {
  .auth-card {
    padding: var(--space-5) var(--space-4) var(--space-4);
  }

  .cf-turnstile {
    transform: scale(0.9);
    transform-origin: center;
  }
}