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

html {
  scroll-behavior: smooth;
}

:root {
  --accent: #FF7250;
  --accent-hover: #E8623F;
  --accent-glow: rgba(255, 114, 80, 0.18);
  --accent-soft: rgba(255, 114, 80, 0.06);
  --accent-comp: #50DDFF;
  --accent-comp-soft: rgba(80, 221, 255, 0.08);
  --bg-primary: #FFFFFF;
  --bg-secondary: #F3F5F7;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.92);
  --text-primary: #121212;
  --text-secondary: #414141;
  --text-muted: #717171;
  --border-subtle: #DCE1E7;
  --border-accent: rgba(255, 114, 80, 0.15);
  --cream: #EDF0F3;
  --success: #0CC36B;
  --success-bg: #E5F7E8;
  --warning: #FFCA50;
  --warning-text: #E6940A;
  --warning-bg: #FFF8E1;
  --danger: #E3392C;
  --danger-bg: #FFEBE9;
  --info: #50DDFF;
  --info-bg: #E8F8FF;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 100px;
  --font-heading: Chakra Petch, sans-serif;
  --font-body: Inter, sans-serif;
  --transition: all 0.4s cubic-bezier(0.44, 0, 0.56, 1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) {
    --bg-primary: #0F1117;
    --bg-secondary: #1A1D26;
    --bg-card: #1E2130;
    --bg-glass: rgba(15, 17, 23, 0.92);
    --text-primary: #E8EAED;
    --text-secondary: #B0B3BA;
    --text-muted: #7A7D85;
    --border-subtle: #2A2D38;
    --border-accent: rgba(255, 114, 80, 0.2);
    --cream: #1A1D26;
    --accent-glow: rgba(255, 114, 80, 0.25);
    --accent-soft: rgba(255, 114, 80, 0.1);
    --success-bg: rgba(12, 195, 107, 0.12);
    --warning-bg: rgba(255, 202, 80, 0.12);
    --danger-bg: rgba(227, 57, 44, 0.12);
    --info-bg: rgba(80, 221, 255, 0.12);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.2);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.35), 0 4px 8px rgba(0,0,0,0.25);
  }
}
[data-theme=dark] {
  --bg-primary: #0F1117;
  --bg-secondary: #1A1D26;
  --bg-card: #1E2130;
  --bg-glass: rgba(15, 17, 23, 0.92);
  --text-primary: #E8EAED;
  --text-secondary: #B0B3BA;
  --text-muted: #7A7D85;
  --border-subtle: #2A2D38;
  --border-accent: rgba(255, 114, 80, 0.2);
  --cream: #1A1D26;
  --accent-glow: rgba(255, 114, 80, 0.25);
  --accent-soft: rgba(255, 114, 80, 0.1);
  --success-bg: rgba(12, 195, 107, 0.12);
  --warning-bg: rgba(255, 202, 80, 0.12);
  --danger-bg: rgba(227, 57, 44, 0.12);
  --info-bg: rgba(80, 221, 255, 0.12);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.35), 0 4px 8px rgba(0,0,0,0.25);
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
body::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
body::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(80, 221, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  text-decoration: none;
}
.login-logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.login-logo-text {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
}
.login-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}
.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}
.login-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-pill);
  padding: 4px;
  margin-bottom: 28px;
}
.login-tab {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.login-tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.login-tab:not(.active):hover {
  color: var(--text-primary);
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.login-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: var(--transition);
  margin-top: 4px;
}
.login-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.login-btn:active {
  transform: scale(0.98);
}
.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 12px;
}
.login-divider::before, .login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}
.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}
.login-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.login-footer a:hover {
  text-decoration: underline;
}
.login-success {
  display: none;
  text-align: center;
  padding: 20px 0;
}
.login-success.show {
  display: block;
}
.login-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  font-size: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.login-success h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin-bottom: 8px;
}
.login-success p {
  color: var(--text-muted);
  font-size: 14px;
}

.form-group {
  position: relative;
}
.form-group.error .form-input {
  border-color: var(--danger);
}
.form-group.error .form-error {
  display: block;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}
.form-input::placeholder {
  color: var(--text-muted);
}
.form-input:focus {
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input:focus + .form-input-icon, .form-input:focus ~ .form-input-icon {
  color: var(--accent);
}
.form-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.form-input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 18px;
  pointer-events: none;
  transition: var(--transition);
}
.form-input.phone-input {
  padding-left: 78px;
}
.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
  display: none;
}
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.form-checkbox input[type=checkbox] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.form-forgot {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}
.form-forgot:hover {
  text-decoration: underline;
}

.password-toggle {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  transition: var(--transition);
}
.password-toggle:hover {
  color: var(--text-primary);
}

.phone-prefix {
  position: absolute;
  left: 42px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  pointer-events: none;
}

.social-buttons {
  display: flex;
  gap: 12px;
}
.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.social-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--bg-card);
}
.social-btn i {
  font-size: 18px;
}

.register-only {
  display: none;
}
.login-form[data-mode=register] .register-only {
  display: block;
}

.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.back-link {
  position: fixed;
  top: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  z-index: 10;
}
.back-link:hover {
  color: var(--accent);
}
.back-link i {
  font-size: 18px;
}

@keyframes popIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
@media (max-width: 480px) {
  .login-card {
    padding: 28px 20px;
  }
  .social-buttons {
    flex-direction: column;
  }
  .back-link span {
    display: none;
  }
}

/* ══════════════════════════════════════
   Modal + Loader (shared pattern)
   ══════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}
.modal-overlay.show .modal-box {
  transform: scale(1) translateY(0);
}
.modal-overlay .modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transform: scale(0.92) translateY(12px);
  transition: transform 0.3s ease;
}
.modal-overlay .modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.modal-overlay .modal-icon.warning {
  background: var(--warning-bg);
  color: var(--warning-text);
}
.modal-overlay .modal-icon.info {
  background: var(--info-bg);
  color: var(--info);
}
.modal-overlay .modal-icon.success {
  background: var(--success-bg);
  color: var(--success);
}
.modal-overlay .modal-icon.accent {
  background: var(--accent-soft);
  color: var(--accent);
}
.modal-overlay .modal-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.modal-overlay .modal-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.modal-overlay .modal-actions {
  display: flex;
  gap: 12px;
}
.modal-overlay .modal-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.modal-overlay .modal-btn.cancel {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.modal-overlay .modal-btn.cancel:hover {
  background: var(--border-subtle);
}
.modal-overlay .modal-btn.confirm {
  background: var(--danger);
  color: #fff;
}
.modal-overlay .modal-btn.confirm:hover {
  background: #c92e22;
}
.modal-overlay .modal-btn.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}
.modal-overlay .modal-btn.primary:hover {
  background: var(--accent-hover);
}

@keyframes ac-spin {
  to { transform: rotate(360deg); }
}
@keyframes ac-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.75); }
  50%      { opacity: 1;    transform: scale(1); }
}
@keyframes ac-ring-pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%      { box-shadow: 0 0 0 10px rgba(255, 114, 80, 0); }
}
@keyframes ac-progress-slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.ac-loader {
  --size: 56px;
  width: var(--size);
  height: var(--size);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}
.ac-loader::before,
.ac-loader::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
}
.ac-loader::before {
  border: 3px solid var(--accent-glow);
}
.ac-loader::after {
  border: 3px solid transparent;
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  animation: ac-spin 0.9s cubic-bezier(0.44, 0, 0.56, 1) infinite;
}
.ac-loader__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30%;
  height: 30%;
  margin: -15% 0 0 -15%;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: ac-pulse 1.4s ease-in-out infinite;
}
.ac-loader--sm {
  --size: 22px;
}
.ac-loader--sm::before,
.ac-loader--sm::after {
  border-width: 2px;
}

.login-btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.login-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  animation: ac-spin 0.7s linear infinite;
}

.ac-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: rgba(15, 17, 23, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 24px;
}
.ac-loading-overlay.show {
  opacity: 1;
  visibility: visible;
}
.ac-loading-overlay .ac-loader {
  animation: ac-ring-pulse 2s ease-out infinite;
  border-radius: 50%;
}
.ac-loading-overlay .ac-loading-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  text-align: center;
}
.ac-loading-overlay .ac-loading-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  min-height: 1.2em;
  transition: opacity 0.25s ease;
}
.ac-loading-overlay .ac-loading-progress {
  width: min(280px, 80vw);
  height: 3px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  position: relative;
}
.ac-loading-overlay .ac-loading-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  animation: ac-progress-slide 1.4s ease-in-out infinite;
}