/* ════════════════════════════════════════
   RESET & ROOT
════════════════════════════════════════ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg:           #FAF7F2;
  --brown:        #4A3728;
  --brown-50:     rgba(74, 55, 40, 0.50);
  --brown-20:     rgba(74, 55, 40, 0.20);
  --brown-10:     rgba(74, 55, 40, 0.10);
  --brown-hover:  #3a2b1e;
  --error:        #c0392b;
  --font-serif:   'Playfair Display', serif;
  --font-sans:    'Jost', sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--brown);
  font-family: var(--font-sans);
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ════════════════════════════════════════
   WRAPPER
════════════════════════════════════════ */
.login-wrapper {
  width: 100%;
  max-width: 500px;
  padding: clamp(2rem, 5vw, 3rem) clamp(1.5rem, 5vw, 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ════════════════════════════════════════
   BRAND LOGO
════════════════════════════════════════ */
.brand-logo {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.2rem);
  color: var(--brown);
  text-decoration: none;
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
  transition: opacity 0.3s;
  display: block;
  text-align: center;
}

.brand-logo:hover {
  opacity: 0.7;
}

/* ════════════════════════════════════════
   PAGE TITLE
════════════════════════════════════════ */
.page-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.0rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 2.5rem;
  text-align: center;
}

/* ════════════════════════════════════════
   FORM
════════════════════════════════════════ */
.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Field Group ── */
.field-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.75rem;
  position: relative;
}

.field-group label {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--brown);
  margin-bottom: 0.5rem;
}

.field-group input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--brown-20);
  padding: 0.5rem 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.88rem;
  color: var(--brown-50);
  outline: none;
  transition: border-color 0.3s ease, color 0.3s ease;
  width: 100%;
}

.field-group input::placeholder {
  color: var(--brown-50);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.88rem;
}

/* Focus state — underline becomes full brown */
.field-group input:focus {
  border-bottom-color: var(--brown);
  color: var(--brown);
}

/* Input filled — text becomes full brown */
.field-group input:not(:placeholder-shown) {
  color: var(--brown);
}

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

.field-error {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.72rem;
  color: var(--error);
  margin-top: 0.4rem;
  min-height: 1rem;
  display: block;
  letter-spacing: 0.03em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.field-error.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Forgot Password ── */
.forgot-link {
  align-self: flex-end;
  margin-top: 0.85rem;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--brown);
  text-decoration: none;
  text-transform: capitalize;
  transition: opacity 0.3s;
}

.forgot-link:hover {
  opacity: 0.6;
}

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */

/* Log In CTA */
.btn-login {
  width: 100%;
  padding: 1rem;
  background: var(--brown);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  transition: background 0.3s ease, transform 0.2s ease;
  margin-top: 1rem;
  margin-bottom: 0.9rem;
}

.btn-login:hover {
  background: var(--brown-hover);
  transform: translateY(-1px);
}

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

/* Log In with Google */
.btn-google {
  width: 100%;
  padding: 0.9rem 1rem;
  background: transparent;
  color: var(--brown);
  border: 1px solid var(--brown-20);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.2s ease;
  margin-bottom: 1.75rem;
}

.btn-google:hover {
  border-color: var(--brown-50);
  background: rgba(74, 55, 40, 0.04);
  transform: translateY(-1px);
}

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

.google-icon {
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   SIGN UP LINK
════════════════════════════════════════ */
.signup-text {
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.82rem;
  color: var(--brown);
  letter-spacing: 0.02em;
}

.signup-link {
  font-weight: 600;
  color: var(--brown);
  text-decoration: none;
  transition: opacity 0.3s;
}

.signup-link:hover {
  opacity: 0.6;
}

/* ════════════════════════════════════════
   FORGOT PASSWORD MODAL
════════════════════════════════════════ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(74, 55, 40, 0.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 1.5rem;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg);
  padding: clamp(2rem, 5vw, 3rem);
  width: 100%;
  max-width: 440px;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.35s ease;
}

.modal-backdrop.open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--brown-50);
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--brown);
}

.modal-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--brown);
  margin-bottom: 0.5rem;
}

.modal-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.82rem;
  color: var(--brown-50);
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.modal-confirm {
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.78rem;
  color: var(--brown);
  margin-top: 0.75rem;
  min-height: 1rem;
  letter-spacing: 0.05em;
}

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 480px) {
  .login-wrapper {
    padding: 2.5rem 1.25rem;
  }

  .brand-logo {
    font-size: 2.2rem;
  }
}

/* ════════════════════════════════════════
   TOAST (frontend preview)
════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--brown);
  color: var(--bg);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  padding: 0.85rem 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
  z-index: 999;
  text-align: center;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}