/* ============================================================
   Mail temp – Global Stylesheet
   Author: Antigravity / Google DeepMind
   ============================================================ */

/* ---------- 1. Custom Properties (Design Tokens) ---------- */
:root {
  --clr-primary:      #7c3aed;
  --clr-primary-h:    #6d28d9;
  --clr-primary-l:    #ede9fe;
  --clr-primary-grad: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);

  --clr-accent:       #a855f7;
  --clr-accent-l:     #f5f3ff;

  --clr-bg:           #f5f3ff;
  --clr-surface:      #ffffff;
  --clr-sidebar-bg:   #ffffff;

  --clr-text:         #1e1b4b;
  --clr-text-muted:   #6b7280;
  --clr-text-light:   #9ca3af;

  --clr-border:       #e5e7eb;
  --clr-error:        #ef4444;
  --clr-success:      #10b981;
  --clr-warning:      #f59e0b;

  --sidebar-w:        200px;
  --topbar-h:         56px;

  --radius-sm:        8px;
  --radius-md:        14px;
  --radius-lg:        20px;
  --radius-full:      9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(124,58,237,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 20px 48px rgba(124,58,237,.14), 0 4px 12px rgba(0,0,0,.06);

  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
  --font:       'Inter', system-ui, sans-serif;
}

/* Dark mode */
[data-theme="dark"] {
  --clr-bg:          #0f0a1e;
  --clr-surface:     #1a1333;
  --clr-sidebar-bg:  #130d26;
  --clr-text:        #f3f0ff;
  --clr-text-muted:  #9d97c4;
  --clr-text-light:  #6b6892;
  --clr-border:      #2e2651;
  --clr-primary-l:   #2d1f5e;
  --clr-accent-l:    #1e143d;
  --shadow-md:  0 4px 16px rgba(124,58,237,.25), 0 2px 6px rgba(0,0,0,.3);
  --shadow-lg:  0 20px 48px rgba(124,58,237,.3), 0 4px 12px rgba(0,0,0,.3);
}

/* ---------- 2. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  background: var(--clr-bg);
  color: var(--clr-text);
  display: flex;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ---------- 3. Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--clr-sidebar-bg);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.sidebar-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--clr-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--clr-primary-grad);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(124,58,237,.4);
}

.logo-icon.sm { width: 28px; height: 28px; font-size: 14px; border-radius: 8px; }

.logo-text {
  font-weight: 700;
  font-size: 15px;
  color: var(--clr-text);
  letter-spacing: -0.3px;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.nav-item:hover {
  background: var(--clr-primary-l);
  color: var(--clr-primary);
}

.nav-item.active {
  background: var(--clr-primary-l);
  color: var(--clr-primary);
}

.nav-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.badge {
  margin-left: auto;
  background: var(--clr-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* Sidebar footer buttons */
.sidebar-footer {
  padding: 12px 10px 20px;
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-sidebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  width: 100%;
  text-align: left;
  transition: all var(--transition);
}

.btn-sidebar svg { width: 15px; height: 15px; flex-shrink: 0; }

.btn-custom-mail {
  background: var(--clr-primary-l);
  color: var(--clr-primary);
  border: 1px solid transparent;
}
.btn-custom-mail:hover {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-premium {
  background: var(--clr-primary-grad);
  color: #fff;
  box-shadow: 0 2px 8px rgba(124,58,237,.35);
}
.btn-premium:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 16px rgba(124,58,237,.45);
}

.btn-login-premium {
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}
.btn-login-premium:hover {
  background: var(--clr-primary-l);
  color: var(--clr-primary);
  border-color: var(--clr-primary-l);
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
  backdrop-filter: blur(2px);
}

/* ---------- 4. Main Content ---------- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--clr-bg);
  transition: background var(--transition);
}

/* Topbar */
.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: var(--topbar-h);
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--clr-text);
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
  border-radius: 6px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  color: var(--clr-text-muted);
  transition: background var(--transition), color var(--transition);
}
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn:hover { background: var(--clr-primary-l); color: var(--clr-primary); }

/* ---------- 5. Auth Section ---------- */
.auth-section {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 24px;
  background: linear-gradient(145deg, var(--clr-bg) 0%, var(--clr-accent-l) 100%);
}

.auth-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 44px 42px;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--clr-border);
  transition: box-shadow var(--transition), background var(--transition);
  animation: cardIn .45s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Auth graphic */
.auth-graphic {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
}

.graphic-m {
  width: 42px;
  height: 42px;
  background: var(--clr-primary-grad);
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,.4);
}

.graphic-dots {
  display: flex;
  gap: 5px;
  align-items: center;
}

.graphic-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clr-primary);
  opacity: 0.4;
  animation: dotPulse 1.6s ease-in-out infinite;
}
.graphic-dots span:nth-child(2) { animation-delay: 0.2s; }
.graphic-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.35); }
}

.graphic-door {
  width: 42px;
  height: 42px;
  background: var(--clr-primary-l);
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--clr-primary);
}
.graphic-door svg { width: 22px; height: 22px; }

/* Auth text */
.auth-title {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  color: var(--clr-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.highlight { color: var(--clr-primary); }

.auth-subtitle {
  font-size: 13px;
  text-align: center;
  color: var(--clr-accent);
  margin-bottom: 28px;
}

/* ---------- 6. Forms ---------- */
.auth-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}

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

.input-wrapper { position: relative; display: flex; align-items: center; }

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: 13.5px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}

.input-wrapper input { padding-right: 40px; }

.auth-form input::placeholder { color: var(--clr-text-light); }

.auth-form input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,.15);
  background: var(--clr-surface);
}

.auth-form input.input-error {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,.12);
}

.auth-form input.input-success {
  border-color: var(--clr-success);
}

.toggle-pass {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-light);
  padding: 4px;
  border-radius: 4px;
  transition: color var(--transition);
}
.toggle-pass:hover { color: var(--clr-primary); }
.eye-icon { width: 16px; height: 16px; }

.field-error {
  font-size: 11.5px;
  color: var(--clr-error);
  min-height: 16px;
  display: block;
  animation: errIn .2s ease both;
}

@keyframes errIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Password strength */
.password-strength { display: flex; align-items: center; gap: 8px; }

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--clr-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.strength-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-full);
  width: 0%;
  transition: width .4s ease, background .4s ease;
}

.strength-label {
  font-size: 11px;
  font-weight: 600;
  min-width: 48px;
  text-align: right;
}

/* ---------- 7. Buttons ---------- */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  background: var(--clr-primary-grad);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(124,58,237,.4);
  transition: filter var(--transition), box-shadow var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
  margin-top: 4px;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(124,58,237,.5);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  filter: brightness(0.98);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}



/* ---------- 8. Links ---------- */
.link-primary {
  color: var(--clr-primary);
  font-weight: 600;
  transition: color var(--transition);
}
.link-primary:hover { color: var(--clr-primary-h); text-decoration: underline; }

.link-small {
  font-size: 12px;
  color: var(--clr-accent);
  font-weight: 500;
  transition: color var(--transition);
}
.link-small:hover { color: var(--clr-primary-h); text-decoration: underline; }

/* ---------- 9. Alert Box ---------- */
.alert-box {
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s ease, padding .35s ease, margin .35s ease;
  margin-bottom: 0;
}

.alert-box.visible {
  max-height: 120px;
  padding: 10px 14px;
  margin-bottom: 4px;
}

.alert-box.alert-error {
  background: rgba(239,68,68,.1);
  color: #dc2626;
  border: 1px solid rgba(239,68,68,.25);
}

.alert-box.alert-success {
  background: rgba(16,185,129,.1);
  color: #059669;
  border: 1px solid rgba(16,185,129,.25);
}

/* ---------- 10. Auth footer text ---------- */
.auth-footer-text {
  text-align: center;
  font-size: 13px;
  color: var(--clr-text-muted);
  margin-top: 18px;
}

/* ---------- 11. Hidden utility ---------- */
.hidden { display: none !important; }

/* ---------- 12. Footer ---------- */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: 36px 48px 24px;
  transition: background var(--transition), border-color var(--transition);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 28px;
}

.footer-heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.footer-col ul { display: flex; flex-direction: column; gap: 8px; }

.footer-col a {
  font-size: 13px;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--clr-primary); }

.footer-icon { width: 13px; height: 13px; flex-shrink: 0; opacity: 0.7; }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 20px;
  text-align: center;
  font-size: 12.5px;
  color: var(--clr-text-light);
}

/* ---------- 13. Dashboard styles ---------- */
.dashboard-section {
  flex: 1;
  padding: 36px 48px;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.dash-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--clr-text);
}

.dash-email {
  font-size: 13px;
  color: var(--clr-text-muted);
  background: var(--clr-primary-l);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.dash-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.dash-card {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.dash-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.dash-card-label {
  font-size: 12px;
  color: var(--clr-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.dash-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--clr-primary);
}

.dash-card-icon {
  width: 40px;
  height: 40px;
  background: var(--clr-primary-l);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--clr-primary);
  margin-bottom: 14px;
}
.dash-card-icon svg { width: 20px; height: 20px; }

/* ---------- Messages Panel (msg-cards) ---------- */
/* Ngang hàng với .dash-cards – hiển thị khi click Inbox */
.msg-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

/* Mỗi tin nhắn = 1 card */
.msg-item {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: msgIn .3s ease both;
}
.msg-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.msg-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.msg-item-from {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--clr-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}

.msg-item-time {
  font-size: 11px;
  color: var(--clr-text-light);
  white-space: nowrap;
  flex-shrink: 0;
}

.msg-item-subject {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--clr-text);
  line-height: 1.4;
}

.msg-item-preview {
  font-size: 12.5px;
  color: var(--clr-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Empty state */
.msg-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  color: var(--clr-text-muted);
  font-size: 14px;
  font-weight: 500;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--clr-border);
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(239,68,68,.1);
  color: var(--clr-error);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(239,68,68,.2);
  transition: all var(--transition);
}
.btn-logout:hover {
  background: var(--clr-error);
  color: #fff;
  border-color: var(--clr-error);
}
.btn-logout svg { width: 15px; height: 15px; }

/* ---------- 14. Responsive ---------- */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    width: 220px;
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.visible {
    display: block;
  }

  .main-content { margin-left: 0; }

  .topbar { display: flex; }

  .auth-section { padding: 24px 16px; }

  .auth-card {
    padding: 32px 22px;
    border-radius: var(--radius-md);
  }

  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  .site-footer { padding: 28px 20px 20px; }

  .dashboard-section { padding: 20px 16px; }

  .dash-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .auth-card { padding: 26px 16px; }
}

/* ---------- 15. Modal & Popups ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--clr-surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  transform: translateY(24px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

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

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--clr-text-light);
  transition: color var(--transition);
}

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