:root {
  --bg: #11131a;
  --surface: #191c25;
  --surface-2: #202431;
  --text: #f5f0e8;
  --muted: #b9b1a7;
  --line: rgba(245, 240, 232, 0.12);
  --line-strong: rgba(245, 240, 232, 0.22);
  --accent: #ff7048;
  --accent-2: #45c4b0;
  --accent-3: #e9b949;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(69, 196, 176, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 4%, rgba(255, 112, 72, 0.15), transparent 30rem),
    linear-gradient(180deg, #11131a 0%, #151720 44%, #101217 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(17, 19, 26, 0.84);
  backdrop-filter: blur(18px);
}

.brand,
.topnav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.55rem;
  color: #11131a;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3), var(--accent));
  font-family: "JetBrains Mono", monospace;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover {
  color: var(--text);
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22rem;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(4rem, 10vw, 8rem) clamp(1rem, 5vw, 5rem);
}

.eyebrow,
.section-kicker,
.module-code,
.resource-type,
.stack {
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.72rem;
}

.eyebrow,
.section-kicker {
  color: var(--accent-2);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

h1 {
  max-width: 10.5ch;
  font-size: clamp(3.4rem, 9vw, 8.8rem);
  letter-spacing: -0.055em;
}

h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 4.3rem);
  letter-spacing: -0.04em;
}

.phase-header h2 {
  max-width: none;
}

h3 {
  font-size: 1.25rem;
}

.lede {
  max-width: 44rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions,
.control-row,
.card-meta,
.resource-actions,
.phase-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-actions {
  margin-top: 2rem;
}

.button,
.resource-link,
.phase-pill {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
}

.button {
  padding: 0.9rem 1.15rem;
}

.button.primary {
  color: #11131a;
  background: var(--text);
}

.button.secondary,
.resource-link,
.phase-pill {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding: 1.2rem;
  border-radius: 0.4rem;
  background: var(--surface);
}

.metric {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.controls,
.tracker,
.capstones,
.strategy {
  padding: 5rem clamp(1rem, 5vw, 5rem) 1rem;
}

.tracker-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20rem;
  gap: 1rem;
  align-items: end;
}

.progress-card,
.calendar-card,
.todo-card {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.04);
}

.progress-card {
  padding: 1.15rem;
}

.progress-bar {
  height: 0.55rem;
  margin-top: 1rem;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.progress-bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--accent-3), var(--accent));
  transition: width 220ms ease;
}

.tracker-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.calendar-card,
.todo-card {
  padding: 1rem;
}

.calendar-top,
.todo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.icon-button,
.small-button,
.complete-button,
.todo-remove {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.icon-button {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  font-size: 1.4rem;
  line-height: 1;
}

.small-button,
.complete-button {
  min-height: 2.35rem;
  border-radius: 999px;
  padding: 0 0.8rem;
}

.calendar-weekdays,
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.calendar-weekdays {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.calendar-days {
  margin-top: 0.45rem;
}

.calendar-day {
  display: grid;
  place-items: center;
  min-height: 3.1rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  color: var(--muted);
  background: var(--surface);
  cursor: pointer;
  font: inherit;
  position: relative;
}

.calendar-day.current-month {
  color: var(--text);
}

.calendar-day.selected {
  border-color: var(--accent-2);
  box-shadow: inset 0 0 0 1px var(--accent-2);
}

.calendar-day.today {
  color: #11131a;
  background: var(--accent-3);
}

.calendar-day.has-work::after {
  content: "";
  position: absolute;
  bottom: 0.4rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent-2);
}

.todo-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.6rem;
  margin-top: 1rem;
}

.todo-form input {
  width: 100%;
}

.todo-list {
  display: grid;
  gap: 0.6rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.todo-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: start;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
}

.todo-item input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.2rem;
  accent-color: var(--accent-2);
}

.todo-item.done span {
  color: var(--muted);
  text-decoration: line-through;
}

.todo-item.rollover {
  border-color: color-mix(in srgb, var(--accent-3) 55%, var(--line));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 58%),
    var(--surface);
}

.todo-item small {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--accent-3);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.todo-remove {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  color: var(--muted);
}

.todo-empty {
  margin: 1rem 0 0;
  color: var(--muted);
}

.plan-summary,
.plan-resource,
.plan-status,
.motivation {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.plan-resource {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.plan-resource span {
  display: inline-block;
}

.plan-status {
  margin-top: 1rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.035);
}

.motivation {
  display: none;
  opacity: 0;
  margin-top: 0.75rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--accent-2) 55%, var(--line));
  border-radius: 0.5rem;
  color: var(--text);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 60%),
    rgba(255, 255, 255, 0.04);
  font-weight: 800;
  transition: opacity 300ms ease;
}

.motivation.visible {
  display: block;
  opacity: 1;
}

.complete-button {
  width: max-content;
  color: var(--phase-color);
}

.complete-button.done {
  color: #11131a;
  border-color: var(--phase-color);
  background: var(--phase-color);
}

.controls {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
}

.search {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
}

input,
select {
  min-height: 2.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.45rem;
  padding: 0 0.9rem;
  color: var(--text);
  background: var(--surface);
  font: inherit;
}

input {
  width: min(24rem, 80vw);
}

.phase-strip {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 1.25rem clamp(1rem, 5vw, 5rem) 2rem;
}

.phase-pill {
  flex: 0 0 auto;
  padding: 0.65rem 0.85rem;
  cursor: pointer;
}

.phase-pill.active,
.phase-pill:hover {
  border-color: var(--accent-2);
  color: #11131a;
  background: var(--accent-2);
}

.roadmap {
  display: grid;
  gap: 1rem;
  padding: 0 clamp(1rem, 5vw, 5rem) 4rem;
}

.phase {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
}

.phase-header {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.phase-number {
  display: grid;
  place-items: center;
  width: 3.8rem;
  height: 3.8rem;
  border-radius: 0.45rem;
  color: #11131a;
  background: var(--phase-color);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.phase-header p {
  max-width: 64rem;
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.phase-meta span {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.module-card {
  display: grid;
  gap: 1rem;
  padding: 1.15rem;
  background: var(--surface);
}

.module-code,
.resource-type {
  color: var(--phase-color);
  font-weight: 800;
}

.module-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.module-card li + li {
  margin-top: 0.35rem;
}

.resource {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.2rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface-2);
}

.telugu-resource {
  border-color: color-mix(in srgb, var(--phase-color) 38%, var(--line));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--phase-color) 12%, transparent), transparent 58%),
    var(--surface-2);
}

.telugu-resource .resource-link {
  border-color: color-mix(in srgb, var(--phase-color) 50%, var(--line-strong));
}

.resource strong {
  display: block;
}

.resource p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.resource-link {
  width: max-content;
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  cursor: pointer;
  font: inherit;
}

.resource-link:hover {
  border-color: var(--phase-color);
  background: var(--phase-color);
  color: #11131a;
}

.empty {
  padding: 3rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  color: var(--muted);
  background: var(--surface);
}

.capstone-grid,
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.capstone-grid article,
.strategy-grid article {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: rgba(255, 255, 255, 0.04);
}

.capstone-grid p,
.strategy-grid p {
  color: var(--muted);
}

.capstone-number {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent-3);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.stack {
  color: var(--accent-2) !important;
}

footer {
  padding: 2rem clamp(1rem, 5vw, 5rem) 4rem;
  color: var(--muted);
}

@media (max-width: 920px) {
  .hero,
  .module-grid,
  .tracker-heading,
  .tracker-grid,
  .capstone-grid,
  .strategy-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .controls,
  .phase-header {
    display: grid;
  }

  .phase-header {
    grid-template-columns: 1fr;
  }

  .topnav {
    display: none;
  }

  .topnav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 1rem clamp(1rem, 4vw, 3rem);
    background: rgba(17, 19, 26, 0.97);
    border-bottom: 1px solid var(--line);
    gap: 1.2rem;
    z-index: 19;
  }

  .topnav.open a {
    font-size: 1.1rem;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    font-size: 1.1rem;
  }
}

@media (min-width: 921px) {
  .menu-toggle {
    display: none;
  }
}

/* ─── STREAK BADGE ─────────────────────────────────────── */
.streak-badge {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
}
.streak-badge.hot {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,112,72,0.08);
}

/* ─── WEEKLY CARD ───────────────────────────────────────── */
.weekly-card {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgba(255,255,255,0.04);
}
.weekly-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.weekly-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.weekly-stats div {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
  text-align: center;
}
.week-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.5rem;
}
.week-dot {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  background: var(--surface);
  transition: background 200ms;
}
.week-dot.done {
  background: var(--accent-2);
  border-color: var(--accent-2);
}
.week-dot.today {
  border-color: var(--accent-3);
  box-shadow: 0 0 0 2px rgba(233,185,73,0.3);
}

/* ─── CELEBRATION OVERLAY ───────────────────────────────── */
.celebration-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
}
.celebration-box {
  position: relative;
  z-index: 101;
  text-align: center;
  padding: 2.5rem 3rem;
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  animation: popIn 400ms cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes popIn {
  from { transform: scale(0.7); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.celebration-emoji {
  font-size: 4rem;
  margin-bottom: 0.5rem;
}
.celebration-box h2 {
  font-size: 2rem;
  max-width: none;
  margin-bottom: 0.5rem;
  color: var(--accent-3);
}
.celebration-box p {
  color: var(--muted);
  margin: 0.3rem 0;
}
.celebration-sub {
  font-size: 0.9rem;
  margin-bottom: 1.25rem !important;
}
#confettiCanvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

/* ─── FLOATING TIMER ────────────────────────────────────── */
.floating-timer {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  min-width: 7rem;
}
.timer-inner {
  position: relative;
  width: 5rem;
  height: 5rem;
}
.timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.timer-track {
  fill: none;
  stroke: rgba(255,255,255,0.08);
  stroke-width: 4;
}
.timer-ring {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 163.4;
  stroke-dashoffset: 163.4;
  transition: stroke-dashoffset 1s linear;
}
.timer-display {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.timer-controls {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.timer-btn {
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}
.timer-btn:hover {
  background: var(--accent-2);
  color: #11131a;
  border-color: var(--accent-2);
}
.timer-select {
  min-height: auto;
  height: 2rem;
  padding: 0 0.4rem;
  font-size: 0.75rem;
  border-radius: 0.4rem;
}
.timer-label {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 920px) {
  .weekly-stats { grid-template-columns: 1fr 1fr; }
  .floating-timer { bottom: 1rem; right: 1rem; }
}