/* Unified Telegram-inspired application shell. */
:root{
  --tg-blue: #3390ec;
  --tg-blue-hover: #2b7fd2;
  --tg-blue-soft: #e7f3ff;
  --tg-bg: #f4f7fb;
  --tg-panel: #ffffff;
  --tg-panel-2: #f7f9fc;
  --tg-text: #17212b;
  --tg-muted: #708499;
  --tg-border: #dfe7ef;
  --tg-shadow: 0 2px 10px rgba(31, 64, 96, .08);

  --bg0: var(--tg-bg);
  --bg1: var(--tg-bg);
  --text: var(--tg-text);
  --muted: var(--tg-muted);
  --panel: var(--tg-panel);
  --primary: var(--tg-blue);
  --primary-hover: var(--tg-blue-hover);
  --primary-focus: rgba(51,144,236,.72);
  --primary-border: rgba(51,144,236,.58);
  --primary-soft: var(--tg-blue-soft);
  --primary-ring: rgba(51,144,236,.13);
  --primary-stroke: var(--tg-blue);
  --primary-glow: rgba(51,144,236,.14);
  --field-bg: #f5f7fa;
  --field-border: #dce5ee;
  --field-border-focus: var(--tg-blue);
  --surface-1: #f4f7fa;
  --surface-2: #eaf1f7;
  --border-1: var(--tg-border);
  --tab: transparent;
  --tab2: var(--tg-blue-soft);
  --tabBorder: transparent;
  --overlay: rgba(16, 31, 46, .52);
  --outline: var(--tg-blue);
  --outline-text: var(--tg-blue);
  --outline-hover-bg: var(--tg-blue-soft);
  --danger: #e53935;
  --danger-hover: #c62828;
  --danger-soft: #ffebee;
  --danger-border: rgba(229,57,53,.45);
  --success: #20a464;
  --success-hover: #17824f;
  --success-soft: #e7f8ef;
  --success-border: rgba(32,164,100,.48);
  --shadow-panel: 0 12px 36px rgba(31,64,96,.18);
  --shadow-card: var(--tg-shadow);
  --shadow-sheet: 0 -10px 36px rgba(31,64,96,.18);
  --card-radius: 14px;
  --modal-radius: 16px;
  --field-radius: 10px;
  --btn-radius: 10px;
  --tab-radius: 10px;
  --control-h: 46px;
  --shell: 1440px;
  --scrollbar-size: 7px;
  color-scheme: light;
}

body.theme-dark{
  --tg-bg: #0e1621;
  --tg-panel: #17212b;
  --tg-panel-2: #202b36;
  --tg-text: #f2f5f7;
  --tg-muted: #8ea2b5;
  --tg-border: #263849;
  --tg-blue-soft: rgba(51,144,236,.17);
  --bg0: var(--tg-bg);
  --bg1: var(--tg-bg);
  --text: var(--tg-text);
  --muted: var(--tg-muted);
  --panel: var(--tg-panel);
  --surface-1: #202b36;
  --surface-2: #293847;
  --border-1: var(--tg-border);
  --field-bg: #202b36;
  --field-border: #304355;
  --field-border-focus: #5aa8f2;
  --tab: transparent;
  --tab2: var(--tg-blue-soft);
  --tabBorder: transparent;
  --primary: #5aa8f2;
  --primary-hover: #73b6f5;
  --primary-soft: var(--tg-blue-soft);
  --primary-border: rgba(90,168,242,.62);
  --outline: #5aa8f2;
  --outline-text: #5aa8f2;
  --danger-soft: rgba(229,57,53,.16);
  --success: #31b877;
  --success-hover: #47c78a;
  --success-soft: rgba(49,184,119,.16);
  --success-border: rgba(49,184,119,.52);
  --shadow-card: 0 2px 12px rgba(0,0,0,.22);
  --shadow-panel: 0 16px 42px rgba(0,0,0,.38);
  color-scheme: dark;
}

body.theme-dark select,
body.theme-dark select.field{
  background-color: var(--field-bg);
  color: var(--tg-text);
}

body.theme-dark select option{
  background-color: var(--tg-panel);
  color: var(--tg-text);
}

body.theme-dark select option:checked{
  background-color: var(--primary);
  color: #fff;
}

html, body{ background: var(--tg-bg); }

body{
  font-family: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body.page-app,
body.page-login,
body.page-gate{
  background-color: #d9efff;
  background-image: url("/static/img/space-pattern.svg?v=1");
  background-position: center top;
  background-repeat: repeat;
  background-size: 360px 360px;
  background-attachment: fixed;
}

body.page-app.theme-dark,
body.page-login.theme-dark,
body.page-gate.theme-dark{
  background-color: var(--tg-bg);
  background-image:
    linear-gradient(rgba(14,22,33,.62), rgba(14,22,33,.62)),
    url("/static/img/space-pattern.svg?v=1");
  background-size: auto, 360px 360px;
}

.topbar{
  min-height: 72px;
  padding: 0;
  background: color-mix(in srgb, var(--tg-panel) 96%, transparent);
  border-bottom: 1px solid var(--tg-border);
  box-shadow: 0 1px 4px rgba(31,64,96,.05);
  backdrop-filter: blur(14px);
}

.topbar-row{
  min-height: 72px;
  gap: 14px;
  padding: 0 20px;
}

.mobile-brand{
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.mobile-brand img{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(31,64,96,.16);
}

.mobile-brand span{
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  color: var(--tg-text);
}

.topbar-row .topbar-inner{
  justify-content: center;
  gap: 6px;
}

.tabs{
  gap: 4px;
  padding: 10px 0;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar{ display: none; }

.tabs a{
  height: 48px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--tg-muted);
  font-size: 16px;
  font-weight: 600;
  opacity: 1;
}

.sa-nav-icon{
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tabs .sa-nav-item{ gap: 6px; }

.tabs a:hover{
  border: 0;
  background: var(--surface-1);
  color: var(--tg-text);
}

.tabs a.active{
  border: 0;
  background: var(--tg-blue-soft);
  color: var(--primary);
  box-shadow: none;
}

.tabs-indicator{ display: none; }

.topbar-kebab{
  align-self: center;
  margin-top: 0;
}

.topbar-kebab__btn,
.menu-toggle{
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--tg-muted);
}

.topbar-kebab__btn:hover,
.menu-toggle:hover{
  background: var(--surface-1);
  color: var(--primary);
}

.topbar-kebab__menu{
  top: calc(100% + 8px);
  border-color: var(--tg-border);
  border-radius: 12px;
  background: var(--tg-panel);
  box-shadow: var(--shadow-panel);
}

body.theme-dark .topbar-kebab__menu{ background: var(--tg-panel); }

.topbar-kebab__menu a{
  border-radius: 8px;
  font-weight: 600;
}

.topbar-kebab__menu a:hover{ background: var(--tg-blue-soft); color: var(--primary); }

.bell-logo{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  margin: 0;
  border-radius: 50%;
  background: var(--tg-blue-soft);
  color: var(--primary);
  transform: none;
}

.bell-logo svg{
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bell-logo.is-ringing svg{
  transform-origin: 50% 12%;
  animation: tg-bell-ring .58s ease-in-out 3;
}

@keyframes tg-bell-ring{
  0%, 100%{ transform: rotate(0); }
  25%{ transform: rotate(12deg); }
  75%{ transform: rotate(-12deg); }
}

main.shell{
  padding: 22px 20px 16px;
}

#content{
  border-radius: 0;
}

.footer{
  min-height: 34px;
  padding: 7px 16px 10px;
  color: var(--tg-muted);
  font-size: 12px;
}

.card{
  border: 1px solid var(--tg-border);
  border-radius: 14px;
  background: var(--tg-panel);
  box-shadow: var(--tg-shadow);
}
body.theme-dark .card{ background: var(--tg-panel); }

.field,
input.field,
textarea.field,
select.field{
  border: 1px solid var(--field-border);
  border-radius: 10px;
  background: var(--field-bg);
  font-size: 14px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.field:focus,
input.field:focus,
textarea.field:focus,
select.field:focus{
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
  background: var(--tg-panel);
}

.btn,
.btn-outline{
  min-height: 40px;
  height: auto;
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 650;
}

.btn{
  background: var(--primary);
  color: #fff;
  box-shadow: none;
}
.btn:hover{ background: var(--primary-hover); }

.btn-outline{
  border: 1px solid var(--primary-border);
  background: transparent;
  color: var(--primary);
}
.btn-outline:hover{ border-color: var(--primary); background: var(--tg-blue-soft); }

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
  outline: 2px solid var(--primary-focus);
  outline-offset: 2px;
}

/* Form fields already use a border and soft focus ring; a second browser
   outline makes them look like a doubled frame. */
.field:focus-visible,
input.field:focus-visible,
textarea.field:focus-visible,
select.field:focus-visible{
  outline: none;
}

*::-webkit-scrollbar-thumb{ background: color-mix(in srgb, var(--tg-muted) 55%, transparent); }

body.page-login,
body.page-gate{
  background: var(--tg-bg);
}

.page-login .modal,
.page-gate .modal{
  border: 1px solid var(--tg-border);
  border-radius: 18px;
  background: var(--tg-panel);
  box-shadow: 0 16px 48px rgba(31,64,96,.16);
}

.page-login .login-brand img{
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(31,64,96,.16);
}

.page-login .login-brand strong{ font-weight: 750; letter-spacing: -.25px; }

.sa-toast__card,
.sa-confirm__card,
.sa-prompt__card,
.install-modal .modal-window,
.sa-sos-overlay__card{
  border: 1px solid var(--tg-border);
  border-radius: 16px;
  background: var(--tg-panel);
  box-shadow: var(--shadow-panel);
}

body.theme-dark .sa-toast__card,
body.theme-dark .sa-sos-overlay__card{ background: var(--tg-panel); }

.sa-toast__close,
.install-modal .modal-close,
.sa-sos-overlay__x{
  border: 0;
  border-radius: 50%;
  background: var(--surface-1);
  color: var(--tg-muted);
}

.sa-confirm__backdrop,
.sa-prompt__backdrop,
.install-modal .modal-backdrop,
.sa-sos-overlay__backdrop{
  background: var(--overlay);
  backdrop-filter: blur(3px);
}

.sa-toast__card::before{ width: 3px; background: var(--primary); }

@media (min-width: 721px) and (max-width: 1400px){
  .mobile-brand span{ display: none; }
}

@media (max-width: 1180px){
  .mobile-brand span{ display: none; }
  .tabs a{ padding-inline: 10px; }
  .tabs .sa-nav-icon{ display: none; }
}

@media (max-width: 720px){
  body.page-app,
  body.page-login,
  body.page-gate{
    background-size: 300px 300px;
    background-attachment: scroll;
  }

  body.page-app.theme-dark,
  body.page-login.theme-dark,
  body.page-gate.theme-dark{
    background-size: auto, 300px 300px;
  }

  .topbar{
    min-height: 58px;
    padding-top: env(safe-area-inset-top);
  }

  .topbar-row{
    min-height: 58px;
    padding: 0 12px;
  }

  .mobile-brand{ display: flex; }
  .mobile-brand span{ display: block; max-width: 210px; }
  .mobile-brand img{ width: 34px; height: 34px; }
  .menu-toggle{ display: inline-flex; }

  main.shell{
    padding: 12px 10px calc(12px + env(safe-area-inset-bottom));
  }

  .mobile-menu__backdrop{ background: rgba(16,31,46,.46); }

  .mobile-menu__sheet{
    width: min(520px, 100%);
    padding: 8px 10px calc(12px + env(safe-area-inset-bottom));
    border: 1px solid var(--tg-border);
    border-bottom: 0;
    border-radius: 20px 20px 0 0;
    background: var(--tg-panel);
    box-shadow: var(--shadow-sheet);
  }

  .mobile-menu__handle{
    width: 44px;
    height: 4px;
    margin: 4px auto 10px;
    background: color-mix(in srgb, var(--tg-muted) 35%, transparent);
  }

  .mobile-menu__nav{
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 0;
  }

  .mobile-menu__nav a{
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 14px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--tg-text);
    font-size: 14px;
    font-weight: 600;
  }

  .mobile-menu__nav .sa-nav-icon{
    display: block;
    width: 21px;
    height: 21px;
    margin-right: 12px;
  }

  .mobile-menu__nav a:hover{ border: 0; background: var(--surface-1); }
  .mobile-menu__nav a.active{
    border: 0;
    background: var(--tg-blue-soft);
    color: var(--primary);
    box-shadow: none;
  }

  .bell-logo{ display: none; }

  .footer{ display: none; }
}