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

:root {
  --wood-dark:   #5c3317;
  --wood-mid:    #7a4520;
  --wood-light:  #a0622a;
  --wood-plank:  #8b5a2b;
  --wood-border: #3d2008;
  --cream:       #f5ead8;
  --cream-input: #fdf6ec;
  --text-dark:   #3d2008;
  --text-mid:    #5c3a1e;
  --green-btn:   #3a9e1f;
  --green-dark:  #2d7a17;
  --green-shine: #5dc93e;
  --orange-btn:  #e05c10;
  --orange-dark: #b84a0c;
  --orange-shine:#f07830;
  --fb-blue:     #1877f2;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow-wood: 0 8px 32px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.15);
}

html { font-size: 16px; }

body {
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 80px;
  overflow: hidden;
  position: relative;
}

/* ===== BACKGROUND ===== */
.farm-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
}
.bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.18);
}

/* ===== AUTH CONTAINER ===== */
.auth-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 440px;
  padding: 16px;
}

/* ===== WOOD PANEL ===== */
.wood-panel {
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255,255,255,0.03) 0px,
      rgba(255,255,255,0.03) 2px,
      transparent 2px,
      transparent 18px
    ),
    linear-gradient(160deg, var(--wood-light) 0%, var(--wood-mid) 40%, var(--wood-dark) 100%);
  border: 4px solid var(--wood-border);
  border-radius: 22px;
  padding: 0 30px 28px;
  box-shadow: var(--shadow-wood);
  position: relative;
}
.wood-panel::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 18px;
  border: 2px solid rgba(255,255,255,0.12);
  pointer-events: none;
}

.hidden { display: none !important; }

/* ===== PANEL HEADER ===== */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--wood-dark) 0%, var(--wood-plank) 50%, var(--wood-dark) 100%);
  border: 3px solid var(--wood-border);
  border-top: none;
  border-radius: 0 0 18px 18px;
  padding: 12px 16px 16px;
  margin: 0 -30px 22px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.panel-title {
  font-family: 'Fredoka One', cursive;
  font-size: 2rem;
  color: #f5c842;
  text-shadow: 2px 2px 0 #7a3a00, 0 0 20px rgba(245,200,66,0.4);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.leaves { font-size: 1.2rem; }

/* ===== ALERT ===== */
.game-alert {
  display: none;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.35);
  border: 2px solid rgba(255,100,50,0.6);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: #ffd0b0;
  font-weight: 600;
}
.game-alert.show { display: flex; }
.game-alert.success {
  border-color: rgba(80,200,80,0.6);
  color: #b0ffb0;
}

/* ===== FIELD GROUP ===== */
.field-group {
  margin-bottom: 14px;
}
.field-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 5px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  letter-spacing: 0.02em;
}
.field-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.field-wrap .field-icon {
  position: absolute;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
}
.field-wrap input {
  width: 100%;
  background: var(--cream-input);
  border: 2.5px solid #c8a06a;
  border-radius: 50px;
  color: var(--text-dark);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  padding: 13px 44px 13px 44px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.12);
  -webkit-appearance: none;
}
.field-wrap input::placeholder { color: #b09070; font-weight: 500; }
.field-wrap input:focus {
  border-color: var(--green-btn);
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.12), 0 0 0 3px rgba(58,158,31,0.25);
}
.toggle-pw {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  line-height: 1;
  color: #8a6040;
  transition: color 0.2s;
}
.toggle-pw:hover { color: var(--text-dark); }

/* ===== STRENGTH BAR ===== */
.strength-bar {
  display: flex;
  gap: 4px;
  margin-top: 6px;
  padding: 0 4px;
}
.strength-bar span {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.2);
  transition: background 0.3s;
}
.strength-bar.weak   span:nth-child(1)    { background: #e05c10; }
.strength-bar.fair   span:nth-child(-n+2) { background: #f5c842; }
.strength-bar.good   span:nth-child(-n+3) { background: var(--green-btn); }
.strength-bar.strong span                 { background: var(--green-btn); }

/* ===== REMEMBER ROW ===== */
.remember-row, .terms-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.terms-row { justify-content: flex-start; }
.remember-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cream);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  user-select: none;
}
.remember-label input[type="checkbox"] { display: none; }
.custom-check {
  width: 18px;
  height: 18px;
  background: var(--cream-input);
  border: 2.5px solid #c8a06a;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s;
}
.remember-label input:checked + .custom-check {
  background: var(--green-btn);
  border-color: var(--green-dark);
}
.remember-label input:checked + .custom-check::after {
  content: '✓';
  color: white;
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1;
}
.remember-label a { color: #f5c842; text-decoration: none; }
.remember-label a:hover { text-decoration: underline; }
.forgot-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: #f5c842;
  text-decoration: none;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}
.forgot-link:hover { text-decoration: underline; }

/* ===== BUTTONS ===== */
.btn-login {
  width: 100%;
  padding: 16px;
  background: linear-gradient(180deg, var(--green-shine) 0%, var(--green-btn) 40%, var(--green-dark) 100%);
  border: 3px solid var(--green-dark);
  border-radius: 50px;
  color: #fff;
  font-family: 'Fredoka One', cursive;
  font-size: 1.45rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 5px 0 #1a5a0a, 0 6px 12px rgba(0,0,0,0.4);
  transition: transform 0.1s, box-shadow 0.1s;
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}
.btn-login:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #1a5a0a, 0 8px 16px rgba(0,0,0,0.4);
}
.btn-login:active:not(:disabled) {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #1a5a0a, 0 3px 8px rgba(0,0,0,0.4);
}
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-login .btn-text { display: block; }
.btn-login .btn-spinner {
  display: none;
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}
.btn-login.loading .btn-text    { display: none; }
.btn-login.loading .btn-spinner { display: block; }

.btn-signup {
  width: 100%;
  padding: 16px;
  background: linear-gradient(180deg, var(--orange-shine) 0%, var(--orange-btn) 40%, var(--orange-dark) 100%);
  border: 3px solid var(--orange-dark);
  border-radius: 50px;
  color: #fff;
  font-family: 'Fredoka One', cursive;
  font-size: 1.45rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 5px 0 #7a2e06, 0 6px 12px rgba(0,0,0,0.4);
  transition: transform 0.1s, box-shadow 0.1s;
  margin-bottom: 0;
}
.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #7a2e06, 0 8px 16px rgba(0,0,0,0.4);
}
.btn-signup:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #7a2e06, 0 3px 8px rgba(0,0,0,0.4);
}

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

/* ===== SOCIAL ===== */
.social-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 12px;
  color: rgba(255,255,255,0.6);
  font-size: 0.78rem;
  font-weight: 700;
}
.social-divider::before, .social-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.25);
}
.social-row {
  display: flex;
  justify-content: center;
  gap: 16px;
}
.btn-social-game {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 0 rgba(0,0,0,0.3);
}
.btn-social-game.facebook { background: var(--fb-blue); border-color: #0d5dbf; }
.btn-social-game.google   { background: #fff; border-color: #ddd; }
.btn-social-game.telegram { background: #229ed9; border-color: #1a7fad; }
.btn-social-game:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0,0,0,0.3);
}
.btn-social-game:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0,0,0,0.3);
}

/* ===== PANEL SWITCH ANIMATION ===== */
.wood-panel {
  animation: panelIn 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes panelIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 400px) {
  .auth-container { padding: 12px; }
  .wood-panel { padding: 0 18px 22px; }
  .panel-header { margin: 0 -18px 18px; }
  .panel-title { font-size: 1.6rem; }
}
@media (max-height: 700px) {
  .field-group { margin-bottom: 10px; }
  .field-wrap input { padding: 10px 44px; }
  .btn-login, .btn-signup { padding: 12px; font-size: 1.25rem; }
}

/* ===== MOBILE FIX ===== */
@media (max-width: 480px) {
  html { font-size: 14px; }
  .auth-container { padding: 10px; align-items: flex-start; padding-top: 20px; }
  .wood-panel { padding: 0 14px 18px; border-radius: 18px; }
  .panel-header { margin: 0 -14px 14px; padding: 14px 16px; }
  .panel-title { font-size: 1.5rem; }
  .field-group { margin-bottom: 10px; }
  .field-wrap input { padding: 10px 40px; font-size: 0.95rem; }
  .field-icon { left: 12px; }
  .toggle-pw { right: 10px; }
  .btn-login, .btn-signup { padding: 12px; font-size: 1.1rem; }
}