/* ===================================================================
   CRACKERS · StudyTracker — Design tokens
   Palette drawn from the logo: near-black ground, acid-lime signal,
   bone-white text. The lime is used sparingly — as a signal, not a
   wash — the way it appears in the mark itself.
=================================================================== */
:root{
  --bg:            #08090A;
  --bg-elev:       #101113;
  --card:          #16171A;
  --card-hover:    #1B1D21;
  --border:        #26282D;
  --border-soft:   #1D1F23;
  --text:          #F3F4EF;
  --text-dim:      #9A9CA5;
  --text-faint:    #5C5E66;
  --accent:        #C6FF3D;
  --accent-dim:    #C6FF3D22;
  --accent-ink:    #0B0C05;
  --danger:        #FF5D6C;
  --danger-dim:    #FF5D6C1f;
  --warn:          #FFC24B;
  --ok:            #59E6A6;
  --radius-sm:     8px;
  --radius:        14px;
  --radius-lg:     22px;
  --shadow:        0 8px 30px rgba(0,0,0,.45);
  --font-display:  'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:     'Inter', 'Segoe UI', sans-serif;
  --grid-line:     #ffffff08;
}

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

html{ -webkit-tap-highlight-color: transparent; }

html, body{
  max-width: 100%;
  overflow-x: hidden;
}

body{
  background:
    linear-gradient(180deg, #0A0B0C 0%, #08090A 100%);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 42px 42px;
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; }

h1,h2,h3,h4,.display{ font-family: var(--font-display); letter-spacing: -0.02em; }

a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }
input, select{ font-family: inherit; }

::selection{ background: var(--accent); color: var(--accent-ink); }

/* Scrollbar */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover{ background: var(--accent-dim); }

/* ---------- Layout shells ---------- */
.wrap{ max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.center-screen{
  min-height: 100vh; display:flex; align-items:center; justify-content:center;
  padding: 24px;
}

/* ---------- Topbar ---------- */
.topbar{
  position: sticky; top:0; z-index: 40;
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  padding: 14px 22px;
  background: #08090ACC;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; min-width:0; flex-shrink:1; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
.brand img{ height:26px; width:auto; flex-shrink:0; }
.brand span{ color: var(--accent); }
.topbar .flex{ flex-shrink:0; }

.nav-links{ display:flex; gap:4px; }
.nav-links a{
  padding:8px 14px; border-radius:999px; font-size:14px; color:var(--text-dim);
  font-weight:600; transition:.15s;
}
.nav-links a.active, .nav-links a:hover{ background:var(--accent-dim); color:var(--accent); }

/* ---------- Bottom app nav (static, phone-app style) ---------- */
.bottom-nav{
  position: fixed; left:0; right:0; bottom:0; z-index: 300;
  display:flex; align-items:stretch; justify-content:space-around;
  height: 64px;
  padding: 0 8px calc(6px + env(safe-area-inset-bottom));
  background: #0B0C0DEE;
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-soft);
  box-sizing: border-box;
}
.bnav-item{
  background:transparent; border:none; color:var(--text-faint);
  display:flex; flex-direction:column; align-items:center; justify-content:flex-end; gap:3px;
  padding:6px 4px 8px; border-radius:14px; font-size:10.5px; font-weight:700;
  letter-spacing:.02em; transition:.15s;
  flex:1 1 0; min-width:0; max-width:96px;
}
.bnav-icon{ font-size:19px; line-height:1; }
.bnav-label{ line-height:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:100%; }
.bnav-item.active{ color:var(--accent); }
.bnav-item:hover{ color:var(--text); }
.bnav-item.active .bnav-icon{ transform:translateY(-1px); }

.bnav-center{ position:relative; }
.bnav-fab{
  width:48px; height:48px; border-radius:50%;
  background: var(--accent); color:var(--accent-ink);
  display:flex; align-items:center; justify-content:center;
  font-size:17px; box-shadow: 0 6px 20px #C6FF3D40, 0 0 0 6px var(--bg);
  margin-top:-22px;
  transition:.15s;
}
.bnav-center:hover .bnav-fab{ transform:scale(1.05); }
.bnav-center .bnav-label{ color:var(--text-dim); }
.bnav-center.active .bnav-label{ color:var(--accent); }

@media (min-width: 900px){
  .bnav-label{ font-size:11px; }
}

@media (max-width: 360px){
  .bnav-item{ font-size:9.5px; padding:6px 2px 8px; gap:2px; }
  .bnav-fab{ width:42px; height:42px; font-size:15px; margin-top:-18px; }
}

/* ---------- Cards / surfaces ---------- */
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card-tight{ padding:16px; }
.panel-title{ font-size:13px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-dim); font-weight:700; margin-bottom:14px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 22px; border-radius: 999px; border:none;
  font-weight:700; font-size:14px; transition:.15s ease; white-space:nowrap;
}
.btn-primary{ background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover{ filter:brightness(1.08); transform:translateY(-1px); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{ background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }
.btn-danger{ background: var(--danger-dim); color: var(--danger); border:1px solid transparent; }
.btn-danger:hover{ background:var(--danger); color:#1a0507; }
.btn-block{ width:100%; }
.btn-sm{ padding:8px 14px; font-size:12.5px; border-radius:999px; }
.btn:disabled{ opacity:.45; cursor:not-allowed; transform:none !important; }

/* ---------- Forms ---------- */
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:13px; color:var(--text-dim); margin-bottom:7px; font-weight:600; }
.field input, .field select{
  width:100%; padding:12px 14px; border-radius: var(--radius-sm);
  background: var(--bg-elev); border:1px solid var(--border); color:var(--text); font-size:14.5px;
  transition:.15s;
}
.field input:focus, .field select:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }

/* ---------- Badges / pills ---------- */
.pill{
  display:inline-flex; align-items:center; gap:6px; padding:4px 12px; border-radius:999px;
  font-size:12px; font-weight:700; letter-spacing:.02em;
}
.pill-trial{ background:var(--warn)22; color:var(--warn); }
.pill-active{ background:var(--ok)22; color:var(--ok); }
.pill-expired{ background:var(--danger-dim); color:var(--danger); }
.pill-pending{ background:var(--accent-dim); color:var(--accent); }

/* ---------- Profile header ---------- */
.profile-cover{
  height: 150px; border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 180% at 15% 0%, #C6FF3D33 0%, transparent 55%),
    linear-gradient(135deg, #131417 0%, #0C0D0F 100%);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.profile-cover::after{
  content:""; position:absolute; inset:0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
}
.profile-header{ display:flex; align-items:flex-end; gap:18px; padding: 0 22px; margin-top:-46px; position:relative; z-index:2; }
.profile-avatar{
  width:96px; height:96px; border-radius:50%; border:4px solid var(--bg);
  background:var(--card); object-fit:cover;
}
.profile-meta{ padding-bottom:10px; flex:1; min-width:0; }
.profile-meta h2{ font-size:22px; overflow-wrap:anywhere; }
.profile-meta .sub{ color:var(--text-dim); font-size:13.5px; margin-top:4px; overflow-wrap:anywhere; }

/* ---------- Grid helpers ---------- */
.grid{ display:grid; gap:16px; }
.grid-2{ grid-template-columns: 1fr 1fr; }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
  .grid-4{ grid-template-columns: repeat(2,1fr); }
}

/* ---------- Stat tiles ---------- */
.stat{
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius);
  padding:18px;
}
.stat .num{ font-family:var(--font-display); font-size:30px; font-weight:700; color:var(--accent); }
.stat .lbl{ color:var(--text-dim); font-size:12.5px; margin-top:4px; text-transform:uppercase; letter-spacing:.06em; }

/* ---------- Progress bars ---------- */
.progress-row{ margin-bottom:14px; }
.progress-row .top{ display:flex; justify-content:space-between; font-size:13px; margin-bottom:6px; }
.progress-row .top .name{ font-weight:600; }
.progress-row .top .pct{ color:var(--accent); font-weight:700; }
.bar{ height:9px; border-radius:99px; background:var(--bg-elev); overflow:hidden; border:1px solid var(--border-soft); }
.bar > span{ display:block; height:100%; background: linear-gradient(90deg,#8FDB1F,var(--accent)); border-radius:99px; transition: width .5s ease; }
.bar-alt > span{ background: linear-gradient(90deg,#3FA7E6,#59E6A6); }

/* ---------- Progress: pace vs actual comparison ---------- */
.compare-badge{
  display:inline-flex; align-items:center; gap:8px; padding:8px 14px;
  border-radius:999px; font-size:13px; font-weight:700;
}
.compare-badge.ahead{ background:var(--ok)1f; color:var(--ok); }
.compare-badge.behind{ background:var(--danger-dim); color:var(--danger); }
.compare-badge.even{ background:var(--accent-dim); color:var(--accent); }

/* ---------- Chart containers ---------- */
.chart-wrap{ position:relative; width:100%; height:160px; max-width:100%; overflow:hidden; }
.chart-wrap canvas{ max-width:100% !important; }
.chart-wrap-lg{ height:220px; }
@media (max-width:640px){
  .chart-wrap{ height:130px; }
  .chart-wrap-lg{ height:190px; }
}

/* ---------- Table (Syllabus map) ---------- */
.table-wrap{ overflow-x:auto; border-radius: var(--radius); border:1px solid var(--border); }
table.syllabus{ width:100%; border-collapse:collapse; min-width:680px; }
table.syllabus th{
  text-align:left; font-size:12px; text-transform:uppercase; letter-spacing:.05em;
  color:var(--text-dim); background:var(--bg-elev); padding:12px 14px; border-bottom:1px solid var(--border);
  position: sticky; top:0;
}
table.syllabus td{ padding:10px 14px; border-bottom:1px solid var(--border-soft); font-size:14px; }
table.syllabus tr:hover td{ background: var(--card-hover); }
table.syllabus td.chapter{ font-weight:600; min-width:180px; }
.check-cell{ text-align:center; }
.chk{
  width:26px; height:26px; border-radius:7px; border:1.5px solid var(--border);
  display:inline-flex; align-items:center; justify-content:center; font-size:14px; color:transparent;
  transition:.15s;
}
.chk.done{ background:var(--accent); border-color:var(--accent); color:var(--accent-ink); }

/* ---------- Timer ---------- */
.timer-ring-wrap{ display:flex; flex-direction:column; align-items:center; gap:22px; padding:24px 0; }
.timer-display{ font-family:var(--font-display); font-size:56px; font-weight:700; letter-spacing:.02em; }
.timer-sub{ color:var(--text-dim); font-size:13px; }
.timer-controls{ display:flex; gap:12px; }
.pulse-dot{ width:10px; height:10px; border-radius:50%; background:var(--danger); display:inline-block; animation:pulse 1.2s infinite; margin-right:8px; }
@keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:.25;} }

/* ---------- Smart Study — full-screen focus mode ---------- */
.focus-screen{
  position: fixed; inset:0; z-index: 250;
  background:
    radial-gradient(120% 90% at 50% 0%, #C6FF3D14 0%, transparent 55%),
    var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    radial-gradient(120% 90% at 50% 0%, #C6FF3D14 0%, transparent 55%);
  background-size: 42px 42px, 42px 42px, auto;
  display:flex; align-items:center; justify-content:center;
  padding: 24px;
}
.focus-exit{
  position:absolute; top:20px; right:20px;
  width:40px; height:40px; border-radius:50%;
  background: var(--card); border:1px solid var(--border); color:var(--text);
  font-size:16px; display:flex; align-items:center; justify-content:center;
}
.focus-exit:hover{ border-color:var(--accent); color:var(--accent); }
.focus-inner{ display:flex; flex-direction:column; align-items:center; gap:26px; text-align:center; }
.focus-inner .timer-display{ font-size:88px; }
.focus-inner .timer-sub{ font-size:15px; }
.btn-lg{ padding:16px 34px; font-size:16px; }
body.focus-mode .topbar,
body.focus-mode .bottom-nav{ display:none; }
@media (max-width: 640px){
  .focus-inner .timer-display{ font-size:58px; }
}

/* ---------- Task card ---------- */
.task-card{ display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.task-info .subject{ font-size:12px; color:var(--accent); font-weight:700; text-transform:uppercase; letter-spacing:.05em; }
.task-info h3{ font-size:19px; margin-top:4px; }
.task-info .type{ color:var(--text-dim); font-size:13px; margin-top:2px; }
.task-actions{ display:flex; gap:10px; }

/* ---------- Empty state ---------- */
.empty{ text-align:center; padding:40px 20px; color:var(--text-dim); }
.empty .icon{ font-size:34px; margin-bottom:10px; }

/* ---------- Auth screen ---------- */
.auth-card{ width:100%; max-width:420px; }
.auth-logo{ display:flex; justify-content:center; margin-bottom:22px; }
.auth-logo img{ height:52px; }
.auth-title{ text-align:center; font-size:22px; margin-bottom:6px; }
.auth-sub{ text-align:center; color:var(--text-dim); font-size:14px; margin-bottom:26px; }
.google-btn{
  display:flex; align-items:center; justify-content:center; gap:10px;
  width:100%; padding:13px; border-radius:999px; background:#fff; color:#1b1b1b;
  font-weight:700; font-size:14.5px; border:none;
}
.google-btn:hover{ filter:brightness(.96); }
.divider{ display:flex; align-items:center; gap:10px; color:var(--text-faint); font-size:12px; margin:22px 0; }
.divider::before, .divider::after{ content:""; flex:1; height:1px; background:var(--border); }

/* ---------- Toast ---------- */
#toast-host{ position:fixed; bottom:20px; left:50%; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:8px; align-items:center; }
.toast{
  background: var(--card); border:1px solid var(--border); color:var(--text); padding:12px 18px;
  border-radius:999px; font-size:13.5px; box-shadow:var(--shadow); animation: toastIn .2s ease;
}
.toast.success{ border-color:var(--accent); color:var(--accent); }
.toast.error{ border-color:var(--danger); color:var(--danger); }
@keyframes toastIn{ from{ opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }

/* ---------- Loader ---------- */
.spinner{ width:20px; height:20px; border-radius:50%; border:2.5px solid var(--border); border-top-color:var(--accent); animation:spin .7s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
.page-loader{ min-height:100vh; display:flex; align-items:center; justify-content:center; }

/* ---------- Modal ---------- */
.modal-backdrop{ position:fixed; inset:0; background:#000000B0; backdrop-filter:blur(3px); z-index:100; display:flex; align-items:center; justify-content:center; padding:20px; }
.modal{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:26px; max-width:440px; width:100%; box-shadow:var(--shadow); }
.modal h3{ margin-bottom:6px; }
.modal .desc{ color:var(--text-dim); font-size:13.5px; margin-bottom:18px; }
.modal-wide{ max-width:520px; }

/* ---------- Daily task picker ---------- */
.picker-list{ max-height:340px; overflow-y:auto; display:flex; flex-direction:column; gap:8px; padding-right:4px; }
.picker-row{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:12px 14px; border-radius: var(--radius-sm); border:1px solid var(--border);
  background: var(--bg-elev); transition:.15s;
}
.picker-row:hover{ border-color:var(--accent); }
.picker-row > span:first-child{ min-width:0; flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.picker-row .pill{ flex-shrink:0; }
.picker-row .pname{ font-weight:600; font-size:14px; }
.picker-row .ptype{ color:var(--text-dim); font-size:12px; margin-top:2px; }
.picker-row.done{ opacity:.5; }
.picker-empty{ text-align:center; color:var(--text-dim); font-size:13.5px; padding:24px 10px; }

/* ---------- Locked overlay ---------- */
.lock-screen{ text-align:center; max-width:440px; }
.lock-icon{ font-size:44px; margin-bottom:14px; }

/* ---------- Chips (subject picker) ---------- */
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  padding:8px 15px; border-radius:999px; border:1px solid var(--border); background:var(--bg-elev);
  font-size:13px; font-weight:600; color:var(--text-dim); transition:.15s;
}
.chip.active{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }
.chip:hover{ border-color:var(--accent); }

/* ---------- Utility ---------- */
.mt-8{margin-top:8px;} .mt-12{margin-top:12px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;} .mt-32{margin-top:32px;}
.mb-8{margin-bottom:8px;} .mb-16{margin-bottom:16px;} .mb-24{margin-bottom:24px;}
.flex{display:flex;} .items-center{align-items:center;} .justify-between{justify-content:space-between;} .gap-8{gap:8px;} .gap-12{gap:12px;}
.text-dim{color:var(--text-dim);} .text-accent{color:var(--accent);} .text-sm{font-size:13px;} .text-xs{font-size:11.5px;}
.hidden{ display:none !important; }
.w-full{ width:100%; }

/* ---------- Responsive ---------- */
@media (max-width: 640px){
  .wrap{ padding: 0 14px; }
  .topbar{ padding:12px 14px; }
  .nav-links{ display:none; }
  .card{ padding:16px; }
  .timer-display{ font-size:42px; }
  .profile-avatar{ width:76px; height:76px; }
  .profile-header{ margin-top:-38px; padding:0 14px; gap:12px; }
  .stat .num{ font-size:24px; }
  .pill{ font-size:11px; padding:4px 9px; }
  .btn-sm{ padding:7px 11px; font-size:12px; }
}

@media (max-width: 380px){
  .brand{ font-size:15px; }
  .brand img{ height:22px; }
}

/* ---------- Mobile Admin Navigation Styles ---------- */
.admin-topbar {
  flex-direction: row;
  flex-wrap: wrap;
}

.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: auto;
  flex: 1;
}

.admin-tag {
  font-weight: 500;
  font-size: 13px;
}

.admin-nav-links {
  display: flex !important;
  gap: 6px;
}

.admin-nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.15s ease;
  touch-action: manipulation;
}

.admin-nav-links a.active, 
.admin-nav-links a:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

@media (max-width: 680px) {
  .admin-topbar {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    gap: 12px;
  }

  .topbar-row {
    width: 100%;
  }

  .admin-nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  .admin-nav-links a {
    padding: 8px 16px;
    font-size: 13px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    flex-shrink: 0;
  }

  .admin-nav-links a.active {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
  }

  .admin-tag {
    font-size: 11px;
  }
}

/* YouTube Mode Custom Switcher & Badges */
#studyModeSwitcher .chip.active {
  background: var(--accent);
  color: var(--accent-ink);
}

#studyModeSwitcher #modeYoutubeBtn.active {
  background: #FF0000 !important;
  color: #FFFFFF !important;
  border-color: #FF0000 !important;
  box-shadow: 0 4px 14px rgba(255, 0, 0, 0.4);
}

#youtubeTimerPanel .timer-display {
  color: #FF3333;
  font-family: var(--font-display);
  font-size: 88px;
  font-weight: 700;
}

@media (max-width: 640px) {
  #youtubeTimerPanel .timer-display {
    font-size: 58px;
  }
  #studyModeSwitcher {
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    margin-bottom: 20px;
    justify-content: center;
  }
}

/* Stat Cards Visual Differentiation */
.stat-focus {
  border: 1px solid rgba(198, 255, 61, 0.3) !important;
  background: rgba(198, 255, 61, 0.03) !important;
}

.stat-yt {
  border: 1px solid rgba(255, 0, 0, 0.3) !important;
  background: rgba(255, 0, 0, 0.03) !important;
}

.stat-yt .num {
  color: #FF4D4D !important;
}

/* Leaderboard Column Layout */
.leaderboard-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
}

.current-user-row {
  border: 1px solid var(--accent) !important;
  background: rgba(198, 255, 61, 0.05) !important;
}

.leaderboard-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.leaderboard-stats-cols {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 75px;
}

.stat-col .col-lbl {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.focus-col .col-val {
  font-size: 15px;
  font-weight: 800;
  color: var(--accent);
}

.yt-col .col-val {
  font-size: 15px;
  font-weight: 800;
  color: #FF4D4D;
}

/* ============================================================
   SOOTHING ANIMATED BACKGROUND — STANDARD FOCUS MODE
   ============================================================ */

.focus-screen {
  position: fixed; 
  inset: 0; 
  z-index: 250;
  background: 
    radial-gradient(circle at 50% 20%, rgba(198, 255, 61, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(89, 230, 166, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #0A0B0C 0%, #060708 100%);
  background-size: 200% 200%, 200% 200%, 100% 100%;
  animation: soothingPan 18s ease-in-out infinite alternate;
  display: flex; 
  align-items: center; 
  justify-content: center;
  padding: 24px;
  overflow: hidden;
}

/* Subtle Grid Overlay */
.focus-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  opacity: 0.7;
}

/* Soothing Background Animation */
@keyframes soothingPan {
  0% {
    background-position: 0% 0%, 100% 100%, 0% 0%;
  }
  50% {
    background-position: 100% 50%, 0% 50%, 0% 0%;
  }
  100% {
    background-position: 50% 100%, 50% 0%, 0% 0%;
  }
}

/* Standard Focus Timer Glow */
#standardTimerPanel .timer-display {
  font-family: var(--font-display);
  font-size: 88px;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 35px rgba(198, 255, 61, 0.25);
  animation: focusPulse 4s ease-in-out infinite alternate;
}

@keyframes focusPulse {
  0% { text-shadow: 0 0 25px rgba(198, 255, 61, 0.2); }
  100% { text-shadow: 0 0 45px rgba(198, 255, 61, 0.45); }
}

/* ============================================================
   REDDISH YOUTUBE STUDY MODE BACKGROUND & AMBIENT GLOW
   ============================================================ */
/* ============================================================
 /* ============================================================
   SOOTHING OBSIDIAN & CRIMSON YOUTUBE STUDY MODE
   ============================================================ */

/* Main Fullscreen Container with Dark Crimson Breathing Mesh */
.focus-screen.youtube-vibe {
  background: 
    radial-gradient(circle at 50% 30%, rgba(180, 15, 25, 0.22) 0%, transparent 60%),
    radial-gradient(circle at 85% 85%, rgba(120, 10, 20, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 15% 75%, rgba(90, 5, 12, 0.18) 0%, transparent 50%),
    linear-gradient(180deg, #0A0405 0%, #050203 100%) !important;
  background-size: 180% 180%, 200% 200%, 200% 200%, 100% 100% !important;
  animation: ytSoothingMesh 16s ease-in-out infinite alternate !important;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.8);
}

/* Very Subtle Dark Tech Grid Overlay */
.focus-screen.youtube-vibe::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 40, 50, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 40, 50, 0.035) 1px, transparent 1px);
  background-size: 44px 44px !important;
  pointer-events: none;
  opacity: 0.75 !important;
}

/* Soothing Motion Keyframes */
@keyframes ytSoothingMesh {
  0% {
    background-position: 0% 0%, 100% 100%, 0% 50%, 0% 0%;
  }
  50% {
    background-position: 100% 50%, 0% 50%, 100% 100%, 0% 0%;
  }
  100% {
    background-position: 50% 100%, 50% 0%, 0% 0%, 0% 0%;
  }
}

/* Glassmorphic Obsidian Panel Container */
#youtubeTimerPanel {
  position: relative;
  z-index: 2;
  padding: 36px 42px;
  background: rgba(14, 5, 7, 0.72);
  border: 1px solid rgba(255, 45, 55, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 
    0 30px 60px rgba(0, 0, 0, 0.8),
    0 0 30px rgba(200, 15, 25, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Soft Neon Crimson Timer Display */
#youtubeTimerPanel .timer-display {
  color: #FF3B47 !important;
  font-family: var(--font-display);
  font-size: 92px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-shadow: 
    0 0 25px rgba(255, 40, 50, 0.45),
    0 0 60px rgba(200, 20, 30, 0.2);
  animation: ytSoftClockGlow 4s ease-in-out infinite alternate;
}

@keyframes ytSoftClockGlow {
  0% {
    text-shadow: 0 0 20px rgba(255, 40, 50, 0.35), 0 0 45px rgba(200, 20, 30, 0.15);
  }
  100% {
    text-shadow: 0 0 35px rgba(255, 50, 60, 0.6), 0 0 75px rgba(220, 25, 35, 0.3);
  }
}

/* Subtle Crimson Status Badge */
#ytTimerStatusLabel {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  color: #FF5E68 !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(255, 30, 40, 0.08);
  border: 1px solid rgba(255, 40, 50, 0.25);
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Deep Crimson Start Button */
#ytTimerStartBtn {
  background: linear-gradient(135deg, #E61E2A 0%, #B30A14 100%) !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: 0 8px 24px rgba(200, 15, 25, 0.35) !important;
  transition: all 0.2s ease !important;
}

#ytTimerStartBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(230, 30, 40, 0.5) !important;
  background: linear-gradient(135deg, #FF2432 0%, #C40C17 100%) !important;
}

/* Switcher Active State for YouTube Mode */
#studyModeSwitcherYoutube .chip[data-mode="youtube"].active,
#studyModeSwitcherStandard .chip[data-mode="youtube"].active {
  background: rgba(230, 20, 30, 0.9) !important;
  color: #FFFFFF !important;
  border-color: rgba(255, 40, 50, 0.6) !important;
  box-shadow: 0 4px 16px rgba(200, 15, 25, 0.4) !important;
}

@media (max-width: 640px) {
  #youtubeTimerPanel {
    padding: 24px 18px;
    width: 100%;
  }
  #youtubeTimerPanel .timer-display {
    font-size: 60px !important;
  }
}

/* ============================================================
   JACHAAI CTA - STACKED DESKTOP LEFT COL + FULL MOBILE BG
   ============================================================ */

.card-jachaai-coc {
  position: relative;
  background: 
    radial-gradient(circle at 10% 50%, rgba(198, 255, 61, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 100%, rgba(255, 194, 75, 0.12) 0%, transparent 50%),
    linear-gradient(135deg, #131417 0%, #08090A 100%);
  border: 1px solid rgba(255, 194, 75, 0.3);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  min-height: 180px;
  display: flex;
  align-items: center;
}

.card-jachaai-coc:hover {
  border-color: rgba(255, 194, 75, 0.6);
  box-shadow: 0 10px 35px rgba(255, 194, 75, 0.15);
}

/* Content Area Layout */
.jachaai-content {
  position: relative;
  z-index: 2;
  display: flex;
  width: 100%;
  padding: 24px 28px;
}

/* Left Column: Badge, Title & Button stacked vertically */
.jachaai-left-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  max-width: 55%; /* Keeps content strictly on the left half on laptops */
}

.jachaai-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--warn);
  background: rgba(255, 194, 75, 0.15);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 194, 75, 0.25);
  text-transform: uppercase;
}

.jachaai-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.35;
  margin: 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
}

/* Button Styling (Positioned below text) */
.btn-jachaai-dark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 22px;
  margin-top: 4px; /* Space between title and button */
  background: linear-gradient(135deg, #1F1C1A 0%, #0A0B0D 100%);
  color: #F3F4EF;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid rgba(255, 194, 75, 0.45);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7), inset 0 0 12px rgba(255, 194, 75, 0.12);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-jachaai-dark:hover {
  transform: translateY(-2px) scale(1.02);
  border-color: #FFC24B;
  box-shadow: 0 8px 25px rgba(255, 194, 75, 0.3), inset 0 0 15px rgba(255, 194, 75, 0.2);
}

.jachaai-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.9));
}

.arrow-icon {
  font-size: 16px;
  color: var(--warn);
  transition: transform 0.2s ease;
}

.btn-jachaai-dark:hover .arrow-icon {
  transform: translateX(4px);
}

/* Character Overlay - Desktop */
.jachaai-coc-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  z-index: 1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.85) 30%, rgba(0,0,0,1) 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.85) 30%, rgba(0,0,0,1) 100%);
}

.jachaai-coc-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  transform: scale(1.25);
  transform-origin: right center;
  filter: brightness(0.9) contrast(1.1);
  transition: transform 0.5s ease;
}

.card-jachaai-coc:hover .jachaai-coc-img {
  transform: scale(1.32);
}

/* ============================================================
   MOBILE PHONE MODE (FULL DIV COVERAGE)
   ============================================================ */
@media (max-width: 768px) {
  .card-jachaai-coc {
    min-height: 190px;
  }

  /* Image expands 100% width and height over the full box */
  .jachaai-coc-overlay {
    width: 100% !important;
    height: 100% !important;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    opacity: 0.38; /* Softened so text remains crisp */
    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.95) 100%);
    mask-image: linear-gradient(to top, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.95) 100%);
  }

  .jachaai-coc-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 85% center; /* Center-focus on characters */
    transform: scale(1.4);
    transform-origin: center center;
  }

  .jachaai-content {
    padding: 20px 18px;
  }

  .jachaai-left-col {
    max-width: 100%; /* Spans full width on phone */
    width: 100%;
  }

  .btn-jachaai-dark {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }
}
/* ============================================================
   PREMIUM HSC CRACKERS COURSE CLAIM CARD
   ============================================================ */
.hsc-claim-card {
  position: relative;
  background: linear-gradient(135deg, rgba(26, 28, 35, 0.95) 0%, rgba(18, 20, 26, 0.98) 100%);
  border: 1px solid rgba(198, 255, 61, 0.28);
  border-radius: 16px;
  padding: 24px;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5),
              0 0 25px -5px rgba(198, 255, 61, 0.08);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.hsc-claim-card:hover {
  border-color: rgba(198, 255, 61, 0.5);
  box-shadow: 0 12px 35px -8px rgba(0, 0, 0, 0.6),
              0 0 35px -4px rgba(198, 255, 61, 0.15);
}

/* Ambient neon glow spot in the corner */
.hsc-claim-glow {
  position: absolute;
  top: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(198, 255, 61, 0.22) 0%, rgba(198, 255, 61, 0) 70%);
  pointer-events: none;
  filter: blur(20px);
}

.hsc-claim-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.hsc-claim-left {
  flex: 1;
  min-width: 280px;
}

/* Top Pill Badge */
.hsc-claim-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(198, 255, 61, 0.1);
  border: 1px solid rgba(198, 255, 61, 0.25);
  color: var(--primary, #C6FF3D);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--primary, #C6FF3D);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary, #C6FF3D);
}

/* Brand & Logo Row */
.hsc-claim-brand-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hsc-claim-logo-wrap {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  box-shadow: inset 0 0 12px rgba(198, 255, 61, 0.05);
}

.hsc-claim-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hsc-claim-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #ffffff;
}

.hsc-claim-title span {
  color: var(--primary, #C6FF3D);
}

.hsc-sub-tag {
  font-size: 12px;
  font-weight: 600;
  color: #9A9CA5;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.hsc-claim-desc {
  margin: 6px 0 0 0;
  font-size: 13px;
  color: #9A9CA5;
  line-height: 1.5;
}

.hsc-claim-desc strong {
  color: #e6edf3;
}

/* Button & Arrow animation */
.hsc-claim-right {
  display: flex;
  align-items: center;
}

.hsc-claim-btn {
  background: var(--primary, #C6FF3D);
  color: #0b0c10;
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 18px rgba(198, 255, 61, 0.25);
  transition: all 0.2s ease;
}

.hsc-claim-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(198, 255, 61, 0.4);
  background: #d4ff59;
}

.hsc-claim-btn:active {
  transform: translateY(0);
}

.hsc-btn-arrow {
  font-size: 16px;
  transition: transform 0.2s ease;
}

.hsc-claim-btn:hover .hsc-btn-arrow {
  transform: translateX(4px);
}

@media (max-width: 600px) {
  .hsc-claim-card {
    padding: 20px 16px;
    text-align: center; /* Center-aligns top text if needed */
  }

  .hsc-claim-inner {
    flex-direction: column;
    align-items: center; /* Centers items horizontally */
    text-align: center;
    gap: 18px;
  }

  .hsc-claim-left {
    min-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centers the badge and brand row */
  }

  .hsc-claim-brand-row {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .hsc-claim-right {
    width: 100%;
    display: flex;
    justify-content: center; /* Centers button in the phone container */
  }

  .hsc-claim-btn {
    width: 100%;
    max-width: 100%;
    justify-content: center; /* Centers text and arrow inside the button */
    text-align: center;
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.4;
  }
}