*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--fp-font-body);color:var(--fp-color-text);line-height:1.55;
  background:var(--fp-color-bg);min-height:100vh;min-height:100dvh;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;align-items:center;
}
h1,h2,h3{font-family:var(--fp-font-heading);color:var(--fp-color-secondary);font-weight:700}
a{color:inherit}
input{font-family:inherit}
button{font-family:inherit;cursor:pointer}

.proto-note{
  width:100%;background:var(--fp-color-secondary);color:#fff;font-size:13px;text-align:center;padding:9px 16px;
}
.proto-note b{color:#7fd9cd}

/* ===== Nền động nhẹ ===== */
.auth-page{position:relative;width:100%;min-height:calc(100vh - 38px);display:flex;flex-direction:column;align-items:center;padding:56px 20px 40px;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.28;z-index:0;animation:drift 18s ease-in-out infinite}
.blob--1{width:380px;height:380px;background:var(--fp-color-primary);top:-140px;left:-100px}
.blob--2{width:320px;height:320px;background:var(--fp-color-cta);bottom:-120px;right:-100px;animation-delay:-6s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(24px,-18px) scale(1.06)}}

/* ===== Brand header ===== */
.auth-brand{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:28px;text-align:center}
.drawer-brand-logo-container{max-width:160px;max-height:48px;width:auto;height:auto;display:block;margin:0 auto}
.drawer-brand-logo-container svg,.drawer-brand-logo-container img{width:100%;height:100%;display:block}
.brand-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--fp-color-primary);
  background:rgb(61 139 130/10%);padding:5px 14px;border-radius:999px;
}
.brand-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--fp-color-cta)}

/* ===== Card kính ===== */
.auth-card{
  position:relative;z-index:1;width:100%;max-width:450px;
  background:rgba(255,255,255,0.45);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.25);
  box-shadow:0 8px 32px 0 rgba(0,0,0,0.05);
  border-radius:16px;
  padding:2.5rem;
}
.auth-card.is-shake{animation:shake .42s ease}
@keyframes shake{
  10%,90%{transform:translateX(-1px)} 20%,80%{transform:translateX(2px)}
  30%,50%,70%{transform:translateX(-5px)} 40%,60%{transform:translateX(5px)}
}

/* ===== Tabs Đăng nhập / Đăng ký ===== */
.auth-tabs{position:relative;display:flex;background:rgba(28,61,58,.06);border-radius:999px;padding:4px;margin-bottom:24px}
.auth-tabs button{
  flex:1;position:relative;z-index:1;border:none;background:transparent;padding:10px 0;
  font-size:14px;font-weight:600;color:var(--fp-color-text-muted);border-radius:999px;
  transition:color var(--fp-dur-2) var(--fp-ease);
}
.auth-tabs button.is-active{color:#fff}
.auth-tabs__thumb{
  position:absolute;top:4px;left:4px;height:calc(100% - 8px);width:calc(50% - 4px);
  background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));border-radius:999px;
  transition:transform var(--fp-dur-2) var(--fp-spring);box-shadow:0 6px 16px rgba(13,148,136,.28);
}
.auth-tabs[data-active="register"] .auth-tabs__thumb{transform:translateX(100%)}

/* ===== Form chung ===== */
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--fp-color-text-muted);margin-bottom:6px}
.field-input{position:relative}
.field-input input, .field-input select{
  width:100%;padding:13px 16px;border-radius:8px;border:1.5px solid rgba(28,61,58,0.12);
  background:rgba(255,255,255,0.55);font-size:14.5px;color:var(--fp-color-text);
  transition:border-color var(--fp-dur-2) var(--fp-ease), box-shadow var(--fp-dur-2) var(--fp-ease), background var(--fp-dur-2) var(--fp-ease);
}
.field-input input:focus, .field-input select:focus{
  outline:none;border-color:var(--fp-color-primary);background:rgba(255,255,255,0.85);
  box-shadow:0 0 0 4px rgb(61 139 130/14%);
}
.field-input.has-error input{border-color:var(--fp-color-error);box-shadow:0 0 0 4px rgb(239 68 68/12%)}
.field-error{display:none;font-size:12px;color:var(--fp-color-error);margin-top:6px}
.field-input.has-error + .field-error{display:block}
.field-error.is-visible{display:block}
.field-toggle-eye{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;
  color:var(--fp-color-text-muted);font-size:13px;padding:4px;
}
.field-row{display:flex;align-items:center;justify-content:space-between;margin:14px 0 18px;font-size:13px}
.field-check{display:flex;align-items:center;gap:8px;color:var(--fp-color-text-muted);cursor:pointer}
.field-check input{width:16px;height:16px;accent-color:var(--fp-color-cta)}
.link{color:var(--fp-color-primary);font-weight:600;text-decoration:none}
.link:hover{text-decoration:underline}

/* ===== Method switch (Email / OTP) ===== */
.method-switch{display:flex;gap:8px;margin-bottom:18px}
.method-switch button{
  flex:1;padding:9px 0;border-radius:999px;border:1.5px solid var(--fp-color-border);background:#fff;
  font-size:12.5px;font-weight:600;color:var(--fp-color-text-muted);
  transition:border-color var(--fp-dur-2) var(--fp-ease), color var(--fp-dur-2) var(--fp-ease), background var(--fp-dur-2) var(--fp-ease);
}
.method-switch button.is-active{border-color:var(--fp-color-primary);color:var(--fp-color-primary);background:rgb(61 139 130/8%)}

/* ===== Nút chính ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;
  padding:13px 20px;border-radius:var(--fp-radius-md);border:none;font-size:14.5px;font-weight:700;
  cursor:pointer;transition:filter .2s var(--fp-ease), transform .2s var(--fp-ease), opacity .2s var(--fp-ease);
}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));color:#fff;box-shadow:0 10px 24px rgba(13,148,136,.22)}
.btn--ghost{background:#fff;border:1.5px solid var(--fp-color-border);color:var(--fp-color-secondary)}
.btn--text{background:none;color:var(--fp-color-primary);font-weight:600;width:auto;padding:8px}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.is-loading .btn-label{opacity:0}
.btn.is-loading{pointer-events:none}
.btn-spinner{
  position:absolute;width:18px;height:18px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;
  opacity:0;transition:opacity .2s ease;animation:spin .7s linear infinite;
}
.btn.is-loading .btn-spinner{opacity:1}
.btn{position:relative}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== Divider / Biometric / Guest ===== */
.divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--fp-color-text-muted);font-size:12px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--fp-color-border)}
.bio-row{display:flex;gap:10px;margin-bottom:16px}
.bio-btn{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 8px;
  border-radius:16px;border:1.5px dashed var(--fp-color-border);background:rgba(255,255,255,.5);
  color:var(--fp-color-text-muted);font-size:11.5px;font-weight:600;position:relative;
}
.bio-btn .bio-icon{font-size:20px}
.bio-btn .soon{
  position:absolute;top:-8px;right:-6px;background:var(--fp-color-warning);color:#fff;font-size:9px;font-weight:700;
  padding:2px 6px;border-radius:999px;
}
.guest-cta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgb(61 139 130/7%);border:1px solid rgb(61 139 130/16%);border-radius:16px;padding:12px 16px;
  font-size:12.5px;color:var(--fp-color-secondary);margin-top:6px;
}
.guest-cta b{color:var(--fp-color-cta)}
.switch-line{text-align:center;font-size:13px;color:var(--fp-color-text-muted);margin-top:18px}

/* ===== OTP boxes ===== */
.otp-row{display:flex;gap:8px;justify-content:space-between;margin:6px 0 8px}
.otp-row input{
  width:44px;height:52px;text-align:center;font-size:19px;font-weight:700;
  border-radius:12px;border:1.5px solid var(--fp-color-border);
  transition:border-color var(--fp-dur-2) var(--fp-ease), box-shadow var(--fp-dur-2) var(--fp-ease);
}
.otp-row input:focus{outline:none;border-color:var(--fp-color-primary);box-shadow:0 0 0 4px rgb(61 139 130/14%)}
.otp-resend{font-size:12.5px;color:var(--fp-color-text-muted);text-align:center;margin-bottom:16px}

/* ===== Wizard đăng ký ===== */
.wizard-progress{display:flex;align-items:center;gap:6px;margin-bottom:24px}
.wp-step{flex:1;height:4px;border-radius:999px;background:var(--fp-color-border);position:relative;overflow:hidden}
.wp-step::after{
  content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--fp-ease);
}
.wp-step.is-done::after,.wp-step.is-active::after{transform:scaleX(1)}
.wizard-label{display:flex;justify-content:space-between;font-size:10.5px;color:var(--fp-color-text-muted);margin:-16px 0 20px;font-weight:600}
.wizard-panel{display:none}
.wizard-panel.is-active{display:block;animation:stepIn .35s var(--fp-ease)}
@keyframes stepIn{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:translateX(0)}}
.wizard-nav{display:flex;gap:10px;margin-top:6px}
.wizard-nav .btn--ghost{flex:0 0 84px}

/* ===== Password strength meter ===== */
.strength-meter{display:flex;gap:5px;margin:8px 0 6px}
.strength-meter span{flex:1;height:5px;border-radius:999px;background:var(--fp-color-border);transition:background .25s ease}
.strength-label{font-size:12px;font-weight:600;margin-bottom:14px}
.strength-label.s-weak{color:var(--fp-color-error)}
.strength-label.s-medium{color:var(--fp-color-warning)}
.strength-label.s-good{color:#2563eb}
.strength-label.s-strong{color:var(--fp-color-success)}

/* ===== Role tiles ===== */
.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.role-tile{
  border:1.5px solid var(--fp-color-border);border-radius:16px;padding:16px 12px;text-align:center;background:#fff;
  transition:border-color var(--fp-dur-2) var(--fp-ease), background var(--fp-dur-2) var(--fp-ease), transform var(--fp-dur-2) var(--fp-ease);
}
.role-tile:hover{transform:translateY(-2px)}
.role-tile .r-icon{font-size:22px;margin-bottom:8px}
.role-tile .r-icon img{width:26px;height:26px;object-fit:contain}
.role-tile .r-name{font-size:13px;font-weight:700;color:var(--fp-color-secondary)}
.role-tile .r-desc{font-size:10.5px;color:var(--fp-color-text-muted);margin-top:2px}
.role-tile.is-selected{border-color:var(--fp-color-primary);background:rgb(61 139 130/8%);box-shadow:0 0 0 3px rgb(61 139 130/12%)}

/* ===== Consent + summary ===== */
.consent-row{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--fp-color-text-muted);margin-bottom:14px}
.consent-row input{width:16px;height:16px;flex-shrink:0;margin-top:2px;accent-color:var(--fp-color-cta)}
.summary-box{background:rgba(28,61,58,.05);border-radius:14px;padding:14px 16px;font-size:12.5px;color:var(--fp-color-text-muted);margin-bottom:18px}
.summary-box div{display:flex;justify-content:space-between;padding:3px 0}
.summary-box b{color:var(--fp-color-text)}

/* ===== Trạng thái đặc biệt (khoá / hết phiên / quên mật khẩu) ===== */
.state-view{display:none;text-align:center;padding:10px 4px 4px}
.state-view.is-active{display:block;animation:stepIn .35s var(--fp-ease)}
.state-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  font-size:24px;
}
.state-icon.warn{background:rgb(245 158 11/12%);color:var(--fp-color-warning)}
.state-icon.err{background:rgb(239 68 68/12%);color:var(--fp-color-error)}
.state-icon.info{background:rgb(61 139 130/12%);color:var(--fp-color-primary)}
.state-view h3{font-size:17px;margin-bottom:8px}
.state-view p{font-size:13.5px;color:var(--fp-color-text-muted);margin-bottom:20px}
.countdown{font-family:var(--fp-font-heading);font-weight:700;color:var(--fp-color-secondary);font-size:15px;margin-bottom:18px}

/* ===== Demo state switcher ===== */
.demo-switcher{
  position:relative;z-index:1;width:100%;max-width:440px;margin-top:22px;
  background:rgba(255,255,255,.6);border:1px dashed var(--fp-color-border);border-radius:16px;padding:14px 16px;
}
.demo-switcher p{font-size:11.5px;font-weight:700;color:var(--fp-color-text-muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:10px}
.demo-pills{display:flex;flex-wrap:wrap;gap:8px}
.demo-pills button{
  font-size:12px;font-weight:600;padding:7px 13px;border-radius:999px;border:1px solid var(--fp-color-border);
  background:#fff;color:var(--fp-color-text-muted);transition:all .2s ease;
}
.demo-pills button.is-current{background:var(--fp-color-secondary);color:#fff;border-color:var(--fp-color-secondary)}

/* ===== Legal disclaimer ===== */
.auth-legal{max-width:440px;text-align:center;font-size:11px;color:var(--fp-color-text-muted);margin-top:20px;line-height:1.6;position:relative;z-index:1}

/* ===== HUD showcase (trạng thái sau đăng nhập) ===== */
.hud-showcase{position:relative;z-index:1;width:100%;max-width:720px;margin-top:44px;padding:0 20px}
.hud-showcase h2{font-size:16px;text-align:center;margin-bottom:4px}
.hud-showcase>p{text-align:center;font-size:12.5px;color:var(--fp-color-text-muted);margin-bottom:20px}
.hud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hud-card{
  background:#fff;border:1px solid var(--fp-color-border);border-radius:16px;padding:16px;
  display:flex;flex-direction:column;gap:8px;
}
.hud-top{display:flex;align-items:center;gap:8px}
.hud-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700}
.hud-name{font-size:13px;font-weight:700}
.hud-role{font-size:10.5px;color:var(--fp-color-text-muted)}
.hud-badge{align-self:flex-start;font-size:10px;font-weight:700;padding:3px 9px;border-radius:999px}
.hud-badge.guest{background:rgb(245 158 11/12%);color:var(--fp-color-warning)}
.hud-badge.citizen{background:rgb(61 139 130/10%);color:var(--fp-color-primary)}
.hud-badge.pro{background:rgb(34 197 94/12%);color:var(--fp-color-success)}
.hud-quota{font-size:11px;color:var(--fp-color-text-muted)}
.hud-bar{height:5px;border-radius:999px;background:var(--fp-color-border);overflow:hidden}
.hud-bar span{display:block;height:100%;background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta))}
.hud-cta{font-size:11.5px;font-weight:700;color:var(--fp-color-cta);margin-top:2px}

@media (max-width:560px){
  .hud-grid{grid-template-columns:1fr}
  .auth-card{padding:26px 20px 22px}
  .role-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ===== Khung lỗi validate đăng ký — thay thế alert() trình duyệt ===== */
.form-error-box{
  display:none;margin:2px 0 14px;padding:11px 14px;border-radius:12px;font-size:12.5px;line-height:1.6;
  background:rgb(239 68 68/8%);border:1px solid rgb(239 68 68/24%);color:#a1281f;
}
.form-error-box.is-visible{display:block;animation:formErrorIn .3s var(--fp-ease)}
@keyframes formErrorIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ===== Modal Chính sách bảo mật / Điều khoản dịch vụ — glass, fade-in, không rời trang ===== */
.fp-modal-overlay{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(15,30,28,.45);opacity:0;pointer-events:none;transition:opacity .3s var(--fp-ease);
}
.fp-modal-overlay.is-open{opacity:1;pointer-events:auto}
.fp-modal{
  display:none;width:100%;max-width:560px;max-height:82vh;flex-direction:column;
  background:rgba(255,255,255,0.45);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.25);
  border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.18);
  opacity:0;transform:translateY(16px) scale(.98);
  transition:opacity .3s var(--fp-ease), transform .3s var(--fp-ease);
}
.fp-modal.is-open{display:flex;opacity:1;transform:translateY(0) scale(1)}
.fp-modal__head{
  display:flex;align-items:center;justify-content:space-between;padding:20px 24px;
  border-bottom:1px solid rgba(255,255,255,.35);flex-shrink:0;
}
.fp-modal__head h2{font-size:17px;color:var(--fp-color-secondary)}
.fp-modal__close{
  width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.6);color:var(--fp-color-text-muted);
  display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;
  transition:background .2s ease;
}
.fp-modal__close:hover{background:rgba(255,255,255,.9)}
.fp-modal__body{padding:20px 24px 26px;overflow-y:auto;font-size:13.5px;line-height:1.75;color:var(--fp-color-text)}
.fp-modal__body h3{font-size:14px;color:var(--fp-color-secondary);margin:18px 0 8px}
.fp-modal__body h3:first-child{margin-top:0}
.fp-modal__body p{margin-bottom:10px}
.fp-modal__body strong{color:var(--fp-color-secondary)}
@media (max-width:560px){
  .fp-modal{max-height:88vh}
  .fp-modal__head,.fp-modal__body{padding-left:18px;padding-right:18px}
}