/* ============================================
   MAISON NOIR — Login Stylesheet
   ============================================ */

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

:root {
  --noir: #0d0d0d;
  --white: #f8f6f2;
  --cream: #f0ebe2;
  --gold: #c9a96e;
  --gold-light: rgba(201,169,110,0.12);
  --border: #e4e1da;
  --text: #1a1a1a;
  --text-2: #6b6b6b;
  --text-3: #a8a8a8;
  --error: #c0392b;
  --success: #27ae60;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.14);
}

html { font-size: 15px; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
}

/* ============================================
   LAYOUT
   ============================================ */
.login-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* ============================================
   LEFT PANEL
   ============================================ */
.login-left {
  position: relative;
  overflow: hidden;
}

.left-slideshow {
  position: absolute; inset: 0;
}

.ls-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.4s var(--ease-out), transform 10s linear;
}

.ls-slide.active { opacity: 1; transform: scale(1); }

.left-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10,10,10,0.72) 0%,
    rgba(10,10,10,0.35) 60%,
    rgba(10,10,10,0.55) 100%
  );
  z-index: 1;
}

.left-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding: 2.5rem;
}

.left-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--white);
  text-decoration: none;
}

.left-logo span { color: var(--gold); }

.left-quote {
  color: rgba(255,255,255,0.85);
}

blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 0.875rem;
}

cite {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  opacity: 0.6;
  font-style: normal;
  text-transform: uppercase;
}

.left-dots {
  display: flex;
  gap: 0.5rem;
}

.ld {
  width: 24px; height: 2px;
  background: rgba(255,255,255,0.3);
  border-radius: 100px;
  transition: background 0.4s, width 0.4s;
}

.ld.active {
  width: 48px;
  background: var(--gold);
}

/* ============================================
   RIGHT PANEL
   ============================================ */
.login-right {
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 2rem 1rem;
}

.right-inner {
  width: 100%;
  max-width: 440px;
}

/* ============================================
   TOP BAR
   ============================================ */
.right-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s, gap 0.2s;
}

.back-link:hover { color: var(--text); gap: 0.2rem; }

.back-link svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.mode-toggle {
  display: flex;
  background: #f0ede6;
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}

.mode-btn {
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: none;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.mode-btn.active {
  background: var(--white);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* ============================================
   TABS
   ============================================ */
.tab-bar {
  display: flex;
  position: relative;
  border-bottom: 2px solid var(--border);
  margin-bottom: 2rem;
  gap: 0;
}

.tab {
  flex: 1;
  padding: 0.75rem 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-3);
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.3s;
}

.tab.active { color: var(--text); }

.tab-indicator {
  position: absolute;
  bottom: -2px;
  left: 0;
  height: 2px;
  width: 50%;
  background: var(--gold);
  transition: transform 0.4s var(--ease-out);
}

.tab-indicator.right { transform: translateX(100%); }

/* ============================================
   FORM PANEL
   ============================================ */
.form-panel { position: relative; }
.form-panel.hidden { display: none; }

/* ============================================
   AUTH FORMS
   ============================================ */
.auth-form {
  display: none;
  animation: slideUp 0.4s var(--ease-out);
}

.auth-form.active { display: block; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-head {
  margin-bottom: 2rem;
}

.form-head h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--noir);
  margin-bottom: 0.4rem;
  line-height: 1.2;
}

.form-head p {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.6;
}

.admin-head {
  text-align: center;
}

.admin-shield {
  width: 56px; height: 56px;
  background: var(--gold-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.admin-shield svg {
  width: 26px; height: 26px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}

/* ============================================
   FIELD GROUP
   ============================================ */
.field-group { margin-bottom: 1.1rem; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 1.1rem;
}

.field-row .field-group { margin-bottom: 0; }

.field-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 0.4rem;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.label-row label { margin-bottom: 0; }

.forgot-link {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.2s;
}

.forgot-link:hover { opacity: 0.7; }

/* ============================================
   INPUT
   ============================================ */
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap svg {
  position: absolute;
  left: 0.875rem;
  width: 16px; height: 16px;
  stroke: var(--text-3);
  fill: none;
  stroke-width: 1.5;
  pointer-events: none;
  flex-shrink: 0;
}

.input-wrap input {
  width: 100%;
  padding: 0.75rem 0.875rem 0.75rem 2.75rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.input-wrap input::placeholder { color: var(--text-3); }

.input-wrap input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.12);
}

.input-wrap input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.08);
}

.eye-btn {
  position: absolute;
  right: 0.875rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.eye-btn svg {
  position: static;
  width: 16px; height: 16px;
  stroke: var(--text-3);
  fill: none;
  stroke-width: 1.5;
  transition: stroke 0.2s;
}

.eye-btn:hover svg { stroke: var(--text-2); }

.field-error {
  display: block;
  font-size: 0.68rem;
  color: var(--error);
  margin-top: 0.3rem;
  min-height: 1em;
  transition: opacity 0.2s;
}

/* ============================================
   PASSWORD STRENGTH
   ============================================ */
.strength-bar {
  height: 3px;
  background: var(--border);
  border-radius: 100px;
  margin-top: 0.5rem;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0;
  border-radius: 100px;
  transition: width 0.4s var(--ease-out), background 0.4s;
}

.strength-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-3);
  margin-top: 0.2rem;
}

/* ============================================
   REMEMBER / TERMS ROW
   ============================================ */
.remember-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.78rem;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  cursor: pointer;
  line-height: 1.5;
}

.remember-row input[type="checkbox"] { display: none; }

.custom-check {
  width: 18px; height: 18px;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: background 0.2s, border-color 0.2s;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.custom-check::after {
  content: '';
  width: 5px; height: 9px;
  border-right: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(45deg) scale(0) translate(-1px, -1px);
  transition: transform 0.2s var(--ease-out);
}

.remember-row input:checked + .custom-check {
  background: var(--gold);
  border-color: var(--gold);
}

.remember-row input:checked + .custom-check::after { transform: rotate(45deg) scale(1) translate(-1px, -1px); }

.inline-link { color: var(--gold); text-decoration: underline; text-underline-offset: 2px; }

/* ============================================
   SUBMIT BUTTON
   ============================================ */
.btn-submit {
  width: 100%;
  padding: 0.9rem;
  background: var(--noir);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.3s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
}

.btn-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.btn-submit:hover::before { transform: scaleX(1); }
.btn-submit span { position: relative; z-index: 1; }
.btn-submit:hover { transform: translateY(-1px); }
.btn-submit:active { transform: translateY(0); }

.btn-submit.loading span { opacity: 0; }
.btn-submit.loading .btn-loader { opacity: 1; }

.btn-loader {
  position: absolute;
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.2s;
}

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

.admin-submit { background: var(--noir); }
.admin-submit::before { background: #2c3e50; }

/* ============================================
   AUTH ERROR / SUCCESS
   ============================================ */
.auth-error {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  background: rgba(192,57,43,0.06);
  border: 1px solid rgba(192,57,43,0.2);
  border-radius: 8px;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--error);
}

.auth-error.hidden { display: none; }

.auth-error svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
}

/* ============================================
   DIVIDER
   ============================================ */
.divider {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin: 1.5rem 0;
  color: var(--text-3);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

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

/* ============================================
   SOCIAL BUTTONS
   ============================================ */
.social-btns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.social-btn:hover {
  border-color: var(--text-2);
  background: #f9f8f6;
  transform: translateY(-1px);
}

/* ============================================
   PIN INPUT
   ============================================ */
.pin-inputs {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.pin-digit {
  width: 48px; height: 52px;
  text-align: center;
  font-size: 1.2rem;
  font-family: var(--font-sans);
  font-weight: 700;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.15s;
  letter-spacing: 0.2em;
}

.pin-digit:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.12);
  transform: scale(1.05);
}

.pin-digit.filled { border-color: var(--gold); background: var(--gold-light); }
.pin-digit.error { border-color: var(--error); animation: shake 0.4s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* ============================================
   ADMIN HINT
   ============================================ */
.admin-hint {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  background: var(--gold-light);
  border: 1px solid rgba(201,169,110,0.25);
  border-radius: 8px;
  margin-top: 1rem;
  font-size: 0.73rem;
  color: var(--text-2);
  line-height: 1.5;
}

.admin-hint svg {
  width: 15px; height: 15px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
  margin-top: 1px;
}

.admin-hint strong { color: var(--noir); }

/* ============================================
   SUCCESS OVERLAY
   ============================================ */
.success-overlay {
  position: fixed; inset: 0;
  background: rgba(13,13,13,0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
  backdrop-filter: blur(6px);
}

.success-overlay.show { opacity: 1; visibility: visible; }

.success-box {
  text-align: center;
  color: var(--white);
  animation: scaleIn 0.5s var(--ease-out);
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.success-icon {
  width: 72px; height: 72px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  animation: pop 0.5s var(--ease-out) 0.2s both;
}

@keyframes pop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.success-icon svg {
  width: 32px; height: 32px;
  stroke: #0d0d0d;
  fill: none;
  stroke-width: 2.5;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: draw 0.5s ease 0.4s forwards;
}

@keyframes draw { to { stroke-dashoffset: 0; } }

.success-box h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.success-box p {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.success-bar {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  margin: 0 auto;
  overflow: hidden;
}

.success-progress {
  height: 100%;
  background: var(--gold);
  width: 0;
  animation: fill 1.6s ease forwards 0.5s;
}

@keyframes fill { to { width: 100%; } }

/* ============================================
   FORGOT PASSWORD MODAL
   ============================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  backdrop-filter: blur(4px);
  padding: 1.5rem;
}

.modal-overlay.show { opacity: 1; visibility: visible; }

.forgot-box {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  max-width: 380px;
  width: 100%;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.4s var(--ease-out);
}

.forgot-box h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.forgot-box p { font-size: 0.82rem; color: var(--text-2); line-height: 1.6; }

.forgot-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 32px; height: 32px;
  border: none;
  background: #f0ede6;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s;
}

.forgot-close:hover { background: var(--border); transform: rotate(90deg); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-left { display: none; }
  body { overflow-y: auto; }
  .login-right { padding: 2.5rem 1.5rem; min-height: 100vh; }
}

@media (max-width: 480px) {
  .right-inner { max-width: 100%; }
  .field-row { grid-template-columns: 1fr; }
  .social-btns { grid-template-columns: 1fr; }
  .pin-inputs { gap: 0.35rem; }
  .pin-digit { width: 42px; height: 46px; }
}