/* ═══════════════════════════════════════════════════════
   SaB — Apple Design Language
   Style: iCloud dark mode, 12px rounded rectangles
   ═══════════════════════════════════════════════════════ */

/* ── SF Pro Display Font ── */
@font-face {
  font-family: 'SF Pro Display';
  font-style: normal;
  font-weight: 400;
  src: url("fonts/sf-pro-display_regular.woff2") format("woff2"),
       url("fonts/sf-pro-display_regular.woff") format("woff");
}
@font-face {
  font-family: 'SF Pro Display';
  font-style: normal;
  font-weight: 600;
  src: url("fonts/sf-pro-display_semibold.woff2") format("woff2"),
       url("fonts/sf-pro-display_semibold.woff") format("woff");
}
@font-face {
  font-family: 'SF Pro Display';
  font-style: normal;
  font-weight: 700;
  src: url("fonts/sf-pro-display_bold.woff2") format("woff2"),
       url("fonts/sf-pro-display_bold.woff") format("woff");
}

/* ── CSS Variables ── */
:root {
  --bg: #f5f5f7;
  --bg2: #f5f5f7;
  --bg3: #e8e8ed;
  --bg4: #d2d2d7;
  --bg-card: #ffffff;
  --t1: #1d1d1f;
  --t2: #424245;
  --t3: rgba(29, 29, 31, .56);
  --t4: rgba(29, 29, 31, .28);
  --b: rgba(0, 0, 0, .08);
  --b2: rgba(0, 0, 0, .14);
  --acc: #0071e3;
  --acc2: rgba(0, 113, 227, .1);
  --g: #34c759;
  --blue: #0071e3;
  --pur: #5856d6;
  --red: #e30000;
  --ora: #f55600;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12), 0 2px 6px rgba(0,0,0,.04);
  --shadow-tile: 8px 8px 16px 0 rgba(0,0,0,.06);
  --transition-fast: 100ms linear;
  --transition-smooth: .25s cubic-bezier(.32, 1, .23, 1);
  --transition-spring: .344s cubic-bezier(0.66, 0, 0.1, 1);
}

/* Dark mode disabled — always light */

/* ── Global Typography ── */
html, body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  letter-spacing: -0.016em;
}

.hdr-title,
.scr-hdr,
[style*="font-size:22px"],
[style*="font-size:20px"],
[style*="font-size:19px"] {
  letter-spacing: -0.022em !important;
}

/* ── Buttons — all 12px rounded rectangles ── */
.btn-pri,
.rst-launch,
.gss-save-btn {
  border-radius: 12px !important;
  font-weight: 400 !important;
  letter-spacing: -0.016em;
  transition: background-color var(--transition-fast), transform .15s ease;
  box-shadow: none;
  border: none;
}

.btn-pri:active {
  transform: scale(0.97);
}

@media (hover: hover) {
  .btn-pri:hover {
    filter: brightness(1.08);
  }
}

.btn-sec {
  border-radius: 12px !important;
  border: 1px solid var(--acc) !important;
  background: transparent !important;
  color: var(--acc) !important;
  font-weight: 400;
  letter-spacing: -0.016em;
  transition: background var(--transition-fast), color var(--transition-fast);
}

@media (hover: hover) {
  .btn-sec:hover {
    background: var(--acc) !important;
    color: #fff !important;
  }
}

.btn-red {
  border-radius: 12px !important;
  transition: background-color var(--transition-fast), transform .15s ease;
}

.btn-red:active {
  transform: scale(0.97);
}

.btn-pri:disabled,
.btn-sec:disabled {
  opacity: 0.42;
  pointer-events: none;
}

/* ── Cards ── */
.card,
.kcard {
  border-radius: var(--radius-md) !important;
  transition: background var(--transition-fast), transform .2s ease, box-shadow .2s ease;
}

@media (hover: hover) {
  .card:hover,
  .kcard:hover {
    background: color-mix(in srgb, var(--bg-card) 92%, var(--acc));
    box-shadow: var(--shadow-sm);
  }

  .card:active,
  .kcard:active {
    transform: scale(0.98);
  }
}

.grp-tile,
.kboard-tile {
  border-radius: var(--radius-lg) !important;
  transition: transform .2s ease, box-shadow .2s ease;
}

@media (hover: hover) {
  .grp-tile:hover,
  .kboard-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
}

/* ── Sidebar ── */
#sidebar {
  background: var(--bg2);
  border-right: 0.5px solid var(--b);
}

.nb {
  border-radius: var(--radius-sm) !important;
  transition: background var(--transition-fast), color var(--transition-fast);
}

@media (hover: hover) {
  .nb:hover {
    background: var(--bg3);
    color: var(--t2);
  }
}

.nb.on {
  background: var(--acc2) !important;
  color: var(--acc) !important;
}

/* ── Modals ── */
.modal-inner,
#m-card .modal-inner {
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg) !important;
  border: 0.5px solid var(--b);
}

/* ── Inputs (non-auth) ── */
.inp,
input[type="text"]:not(.auth-inp),
input[type="email"]:not(.auth-inp),
input[type="password"]:not(.auth-inp),
textarea {
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--b2) !important;
  transition: border-color .2s ease, box-shadow .2s ease, background .15s ease;
  font-family: inherit;
}

.inp:focus,
input:not(.auth-inp):focus,
textarea:focus {
  border-color: var(--acc) !important;
  box-shadow: 0 0 0 3px var(--acc2) !important;
  outline: none !important;
}

/* ── Auth screen — iCloud dark mode ── */
#authOverlay {
  background: #1c1c1e !important;
}

.auth-err {
  font-size: 13px !important;
  min-height: 0 !important;
  margin-top: -4px;
}

.auth-user-btn {
  background: transparent !important;
  border: 1px solid var(--b) !important;
  border-radius: 14px !important;
  padding: 14px 16px !important;
  transition: background var(--transition-fast);
}

@media (hover: hover) {
  .auth-user-btn:hover {
    background: var(--bg3) !important;
  }
}

.auth-add-new {
  font-size: 15px !important;
  color: var(--acc) !important;
  padding: 16px !important;
  font-weight: 400;
  letter-spacing: -0.016em;
}

/* ── Toast ── */
.toast {
  border-radius: 12px !important;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ── FAB ── */
.fab-btn {
  box-shadow: 0 4px 16px rgba(0, 113, 227, .3);
  transition: transform .2s ease, box-shadow .2s ease;
}

.fab-btn:active {
  transform: scale(0.92);
}

@media (hover: hover) {
  .fab-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(0, 113, 227, .4);
  }
}

/* ── Inbox drawer ── */
.inbox-drawer {
  border-radius: var(--radius-lg) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ── Focus ring ── */
*:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 3px;
}

button:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 3px;
}

/* ── Gradients ── */
.gradient-purple { background: linear-gradient(100deg, #5620af -10%, #cba0dc, #ba87da); }
.gradient-blue { background: linear-gradient(105deg, #2575dc, #84c7e8); }
.gradient-rainbow { background: linear-gradient(108deg, #0090f7, #ba62fc 33%, #f2416b 66%, #f55600); }
.gradient-green { background: linear-gradient(90deg, #35a98a, #6dd400); }
.gradient-teal { background: linear-gradient(45deg, #bfebe0, #2aba9e, #178c9b, #12385a); }

/* ── Progress bars ── */
.pfill,
.rst-timer-bar-fill,
.xp-fill {
  background: linear-gradient(90deg, var(--acc), #5ac8fa) !important;
  border-radius: 99px;
  transition: width .4s cubic-bezier(.32, 1, .23, 1);
}

/* ── Kanban ── */
.kb-col-hdr {
  letter-spacing: -0.009em;
}

/* ── Calendar events ── */
.cal-ev {
  border-radius: 8px !important;
  transition: transform .15s ease, box-shadow .15s ease;
}

@media (hover: hover) {
  .cal-ev:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
  }
}

/* ── Search overlay ── */
.search-overlay {
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ── Group Settings Sheet ── */
#grpSetSheet {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
  box-shadow: var(--shadow-lg);
}

/* ── Cyberpunk overlay ── */
#cpOverlay {
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

/* ── AI Coach overlay ── */
#aiCoachOverlay {
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg);
}

/* ── Mobile nav ── */
#nav-mobile {
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
}

/* ── Smooth scrolling ── */
.cal-scroll,
.scr,
.kb-scroll,
.inbox-list {
  scroll-behavior: smooth;
}

/* ── Selection ── */
::selection {
  background: var(--acc2);
  color: var(--t1);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--t4);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--t3);
}

/* ── Loading skeleton ── */
.skeleton {
  background: linear-gradient(90deg, var(--bg3) 0%, var(--bg4) 50%, var(--bg3) 100%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

/* ── More sheet items ── */
@media (hover: hover) {
  .nmd-item:hover {
    background: rgba(0, 0, 0, .06);
    border-radius: 10px;
  }

  @media (prefers-color-scheme: dark) {
    .nmd-item:hover {
      background: rgba(255, 255, 255, .08);
    }
  }
}

.nmd-item:active {
  transform: scale(0.97);
  opacity: 0.8;
}

/* ── Stat cards ── */
.stat-card {
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease;
}

@media (hover: hover) {
  .stat-card:hover {
    box-shadow: var(--shadow-md);
  }
}

/* ── Label badges ── */
.lbl-badge,
.badge {
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: -0.006em;
}

/* ── Card Form Modal ── */
#m-card {
  background: var(--bg2) !important;
  border: none !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 4px 12px rgba(0,0,0,.2) !important;
}

#mbCard {
  background: rgba(0, 0, 0, .4) !important;
  backdrop-filter: blur(8px) saturate(150%) !important;
  -webkit-backdrop-filter: blur(8px) saturate(150%) !important;
}

#m-card .modal-inner {
  padding: 24px 22px calc(var(--safe) + 24px) !important;
  max-width: 100% !important;
}

#cfCloseBtn {
  font-size: 22px !important;
  color: var(--t4) !important;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

@media (hover: hover) {
  #cfCloseBtn:hover {
    background: var(--bg3);
    color: var(--t2) !important;
  }
}

#cfName {
  font-size: 20px !important;
  font-weight: 600 !important;
  letter-spacing: -0.022em !important;
}

#cfDoneCheck {
  border-width: 1.5px !important;
  border-color: var(--t4) !important;
  width: 22px !important;
  height: 22px !important;
}

.pw-row {
  padding: 12px 0 !important;
  border-bottom: 0.5px solid var(--b) !important;
}

.pw-row:last-child {
  border-bottom: none !important;
}

.pw-icon {
  background: transparent !important;
  color: var(--t4) !important;
  opacity: 1 !important;
  width: 20px !important;
  margin-right: 10px !important;
}