/* =========================
   GOOGLE FONTS
========================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&family=Space+Grotesk:wght@500;700&display=swap');

/* =========================
   RESET + VARIABLES
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --accent: #38bdf8;
    --bg-main: #020617;
    --bg-card: #020617;
    --bg-soft: #0f172a;
    --text-main: #e5e7eb;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --radius: 18px;
}

/* =========================
   BASE
========================= */
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
}

h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
}

h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.text-muted {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

/* =========================
   APP LAYOUT
========================= */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* =========================
   SIDEBAR
========================= */
.sidebar {
    width: 260px;
    padding: 28px 18px;
    border-right: 1px solid var(--border);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* =========================
   MAIN CONTENT
========================= */
.app-main {
    flex: 1;
    padding: 56px 64px;
}

/* =========================
   PAGE WRAPPER (GLOBAL FIX)
========================= */
.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 56px 56px 64px;
    border-radius: 26px;
    background: linear-gradient(180deg, var(--bg-card), var(--bg-soft));
    border: 1px solid var(--border);
}

/* =========================
   SECTION SPACING (KEY FIX)
========================= */
.page > * + * {
    margin-top: 56px;
}

/* =========================
   TEMPLATE / STATS / SETTINGS CONTAINERS
========================= */
.template-card,
.stats-card,
.settings-card {
    padding: 42px 44px;
    border-radius: 22px;
    background: linear-gradient(
        180deg,
        rgba(15,23,42,0.96),
        rgba(2,6,23,0.98)
    );
    border: 1px solid rgba(255,255,255,0.12);
}

/* =========================
   TEMPLATE LIST (BIG FIX)
========================= */
.template-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 36px;
}

.template-item {
    padding: 28px 32px;
    border-radius: 18px;
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.06),
        rgba(255,255,255,0.02)
    );
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.template-item strong {
    font-size: 18px;
}

.template-item .open-link {
    margin-top: 6px;
    font-weight: 600;
    color: var(--accent);
}

/* =========================
   STATS PAGE SPACING
========================= */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 40px;
}

.stat-box {
    padding: 28px 32px;
    border-radius: 18px;
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.06),
        rgba(255,255,255,0.02)
    );
}

.stat-box strong {
    display: block;
    font-size: 16px;
    margin-bottom: 6px;
}

.stat-box span {
    font-size: 26px;
    font-weight: 800;
    color: var(--accent);
}

/* =========================
   SETTINGS PAGE (MAJOR CLEANUP)
========================= */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-top: 36px;
}

.setting-item {
    padding: 30px 34px;
    border-radius: 18px;
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.06),
        rgba(255,255,255,0.02)
    );
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.setting-item h4 {
    font-size: 18px;
    font-weight: 700;
}

/* =========================
   BUTTONS
========================= */
.btn {
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    width: fit-content;
}

.btn.primary {
    background: var(--accent);
    color: #020617;
}

/* =========================
   RESPONSIVE POLISH
========================= */
@media (max-width: 900px) {
    .app-main {
        padding: 32px 24px;
    }

    .page {
        padding: 36px 28px;
    }
}
/* =========================
   SAFE SPACING PATCH
   (Does NOT affect layout)
========================= */

/* ---------- PAGE HEADINGS ---------- */
.page h1 {
    margin-bottom: 18px;
}

.page > p,
.page > .text-muted {
    margin-bottom: 32px;
}

/* ---------- TEMPLATES PAGE ---------- */
.templates-page .template-card,
.template-card {
    margin-bottom: 28px; /* space between cards */
}

.template-card h3 {
    margin-bottom: 10px;
}

.template-card p {
    margin-bottom: 14px;
    line-height: 1.6;
}

.template-card a {
    display: inline-block;
    margin-top: 6px;
}

/* ---------- STATS PAGE ---------- */
.stats-page .stat-card {
    margin-bottom: 22px;
    padding: 28px;
}

.stats-page .stat-card h3 {
    margin-bottom: 8px;
}

.stats-page .stat-card p {
    margin-top: 6px;
}

/* ---------- SETTINGS PAGE ---------- */
.settings-page .setting-section {
    margin-bottom: 32px;
    padding: 28px;
}

.setting-section h3 {
    margin-bottom: 10px;
}

.setting-section p {
    margin-bottom: 16px;
    line-height: 1.6;
}

.setting-section button {
    margin-top: 10px;
}

/* ---------- GENERAL CARD BREATHING ---------- */
.template-card,
.stat-card,
.setting-section {
    border-radius: 20px;
}
/* =========================
   HOME PAGE HERO FIX (SAFE)
========================= */

.home-page {
    padding-top: 80px; /* pushes content down */
}

.home-page h1 {
    margin-bottom: 14px;
}

.home-page .text-muted {
    margin-bottom: 22px;
    line-height: 1.6;
}

.home-page .btn {
    margin-top: 6px;
}
/* SUMN branding */
.brand-title {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.brand-s {
    color: #ef4444; /* premium red */
}
/* =========================
   HOME PAGE – PREMIUM SPACING
========================= */

.home-page {
    padding-top: 120px; /* pushes content DOWN */
    padding-left: 40px; /* breathing room from sidebar */
}

.home-page h1 {
    margin-bottom: 20px;
}

.home-page .text-muted {
    margin-bottom: 28px;
    line-height: 1.7;
}

.home-page .btn {
    margin-top: 10px;
}
/* =========================
   SIDEBAR – SPACING & POLISH
========================= */

.sidebar {
    padding-top: 36px;
}

.brand-logo {
    margin-bottom: 48px;
}

.sidebar-nav {
    gap: 14px; /* more air between items */
}

.sidebar-nav a {
    padding: 14px 18px;
    font-size: 15px;
}
/* =========================
   HOME – PREMIUM SPACING
========================= */

.home-page {
    padding-left: 60px;        /* distance from sidebar */
    padding-top: 140px;        /* pushes content DOWN */
}

.home-hero {
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* SUMN title */
.brand-title {
    font-size: 52px;
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 22px;       /* space BELOW title */
}

.brand-s {
    color: #ef4444;            /* red S */
}

/* tagline */
.home-tagline {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 42px;       /* BIG breathing gap */
    line-height: 1.8;
}

/* CTA button */
.primary-btn {
    padding: 14px 32px;
    font-size: 15px;
    border-radius: 999px;
}
/* =========================
   SIDEBAR – HOVER & ACTIVE
   ========================= */

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;

    padding: 10px 14px;
    margin: 4px 6px;

    border-radius: 10px;
    text-decoration: none;

    color: #b9c2d0;
    font-size: 14px;
    font-weight: 500;

    transition:
        background 0.25s ease,
        color 0.25s ease,
        box-shadow 0.25s ease;
}

/* Hover */
.sidebar-nav a:hover {
    background: rgba(88, 166, 255, 0.12);
    color: #eaf1ff;
    box-shadow: inset 0 0 0 1px rgba(88, 166, 255, 0.18);
}

/* Active (current page) */
.sidebar-nav a.active {
    background: linear-gradient(
        90deg,
        rgba(88, 166, 255, 0.35),
        rgba(88, 166, 255, 0.12)
    );
    color: #ffffff;
    box-shadow:
        inset 3px 0 0 #58a6ff,
        inset 0 0 0 1px rgba(88, 166, 255, 0.25);
}
/* =========================
   HERO – SUBTLE ANIMATION
   ========================= */

.home-hero {
    animation: heroFadeUp 0.8s ease-out forwards;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* =========================
   TASK INPUT BAR – PREMIUM
   ========================= */

/* Wrapper (safe even if you already have one) */
.task-controls,
.task-inputs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
    margin-bottom: 18px;
}

/* All inputs & selects */
.task-controls input,
.task-controls select,
.task-inputs input,
.task-inputs select {
    height: 42px;
    padding: 0 14px;

    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;

    color: #eaf1ff;
    font-size: 14px;

    transition:
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

/* Placeholder */
.task-controls input::placeholder {
    color: rgba(234, 241, 255, 0.45);
}

/* Focus */
.task-controls input:focus,
.task-controls select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: #58a6ff;
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.25);
}

/* Date input icon fix */
.task-controls input[type="date"],
.task-controls input[type="datetime-local"] {
    color-scheme: dark;
}

/* ADD BUTTON */
.task-controls .btn,
.task-controls button {
    height: 42px;
    padding: 0 26px;

    background: linear-gradient(135deg, #58a6ff, #6fc3ff);
    color: #ffffff;

    border: none;
    border-radius: 22px;
    font-weight: 600;
    font-size: 14px;

    cursor: pointer;

    box-shadow:
        0 6px 18px rgba(88, 166, 255, 0.35);

    transition:
        transform 0.15s ease,
        box-shadow 0.15s ease;
}

/* Button hover */
.task-controls .btn:hover,
.task-controls button:hover {
    transform: translateY(-1px);
    box-shadow:
        0 10px 24px rgba(88, 166, 255, 0.45);
}

/* =========================
   FILTER BUTTONS
   ========================= */

.task-filters,
.task-controls .filters {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

/* Filter buttons */
.task-filters button,
.task-controls .filters button {
    padding: 6px 14px;

    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;

    font-size: 13px;
    color: #c9d2e3;

    cursor: pointer;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}

/* Hover */
.task-filters button:hover {
    background: rgba(88, 166, 255, 0.15);
    border-color: rgba(88, 166, 255, 0.35);
    color: #ffffff;
}

/* Active filter */
.task-filters button.active {
    background: rgba(88, 166, 255, 0.35);
    border-color: #58a6ff;
    color: #ffffff;
}
/* ===============================
   TASK PAGE POLISH (SAFE)
================================ */

/* Page card */
.inbox-card {
  max-width: 760px;
  margin: 80px auto;
  padding: 48px;
}

/* Titles */
.page-title {
  font-size: 32px;
  margin-bottom: 6px;
}

.page-subtitle {
  color: #9aa6c0;
  margin-bottom: 28px;
}

/* Controls */
.task-controls {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}

.task-controls input,
.task-controls select {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
}

/* Filters */
.task-filters {
  position: relative;
  display: inline-flex;
  gap: 20px;
  margin-bottom: 30px;
}

.task-filters button {
  background: none;
  border: none;
  color: #9aa6c0;
  cursor: pointer;
  font-size: 14px;
}

.task-filters button.active {
  color: #fff;
}

.task-filters::after {
  content: "";
  position: absolute;
  bottom: -6px;
  height: 2px;
  background: #58a6ff;
  border-radius: 2px;
  transform: translateX(var(--x, 0));
  width: var(--w, 30px);
  transition: all 0.3s ease;
}

/* Task animation */
.task-item {
  animation: taskIn 0.35s ease forwards;
}

@keyframes taskIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  margin-top: 60px;
  color: #9aa6c0;
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 10px;
}

/* ===== BRAND TITLE ===== */
.brand-title {
  font-size: 4.2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #eaeaf0;
  position: relative;
}

.brand-s {
  position: relative;
  display: inline-block;
  color: #ff4d4d;
  cursor: pointer;
}

/* ❌ ENSURE NO BOX EXISTS */
.brand-s,
.brand-s::before,
.brand-s::after {
  background: none !important;
  box-shadow: none !important;
}

/* ===== GLOW (TEXT ONLY) ===== */
.brand-title:hover .brand-s {
  text-shadow:
    0 0 8px rgba(255, 80, 80, 0.6),
    0 0 20px rgba(255, 80, 80, 0.45),
    0 0 40px rgba(255, 60, 60, 0.35);
}

/* ===== LIGHTNING RAYS ===== */
.brand-s::after {
  content: "";
  position: absolute;
  inset: -35%;
  border-radius: 50%;
  opacity: 0;
  background:
    conic-gradient(
      from 0deg,
      rgba(255,80,80,0.0),
      rgba(255,80,80,0.9),
      rgba(255,80,80,0.0),
      rgba(255,80,80,0.8),
      rgba(255,80,80,0.0)
    );
  filter: blur(14px);
  animation: spin-rays 1.8s linear infinite;
  pointer-events: none;
}

.brand-title:hover .brand-s::after {
  opacity: 1;
}

/* ===== MICRO SPARKS ===== */
.sparks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sparks span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #ffb3b3;
  border-radius: 50%;
  opacity: 0;
  animation: spark-pop 1.2s ease-out infinite;
}

.brand-title:hover .sparks span {
  opacity: 1;
}

/* Random spark positions */
.sparks span:nth-child(1) { top: -20%; left: 10%; animation-delay: 0s; }
.sparks span:nth-child(2) { top: 30%; left: -15%; animation-delay: .2s; }
.sparks span:nth-child(3) { top: 80%; left: 25%; animation-delay: .4s; }
.sparks span:nth-child(4) { top: 50%; left: 110%; animation-delay: .6s; }
.sparks span:nth-child(5) { top: -10%; left: 70%; animation-delay: .8s; }

/* ===== LENS FLARE ===== */
.flare {
  position: absolute;
  top: 50%;
  left: -60%;
  width: 140%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,200,200,0.9),
    transparent
  );
  opacity: 0;
  transform: translateY(-50%);
  pointer-events: none;
}

.brand-title:hover .flare {
  opacity: 1;
  animation: flare-sweep 1.4s ease-out infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes spin-rays {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spark-pop {
  0% { transform: scale(0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: scale(1.8); opacity: 0; }
}

@keyframes flare-sweep {
  from { left: -60%; opacity: 0; }
  50% { opacity: 1; }
  to { left: 120%; opacity: 0; }
}
/* ================================
   HERO LAYOUT
================================ */
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  height: 100%;
  padding: 80px 100px;
  gap: 60px;
}

/* LEFT SIDE */
.hero-left {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.brand-title {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: 4px;
}

.brand-s {
  color: #ff4d4d;
  text-shadow: 0 0 18px rgba(255, 77, 77, 0.45);
}

.tagline {
  font-size: 16px;
  color: #a8b0c4;
  letter-spacing: 2px;
}

/* BUTTON */
.primary-btn {
  width: fit-content;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, #45c9ff, #6ddcff);
  color: #fff;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(80, 200, 255, 0.35);
}

/* ================================
   RIGHT SIDE TUNNEL
================================ */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
}

.tunnel {
  position: relative;
  width: 300px;
  height: 300px;
  transform-style: preserve-3d;
  animation: waveSpin 16s linear infinite;
}

.wave {
  position: absolute;
  inset: 0;
  border-radius: 22px;
  transform: translateZ(var(--z));
  box-shadow: 0 0 60px rgba(54, 222, 255, 0.18);
}

.wave::before {
  content: "";
  position: absolute;
  inset: -18px;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(54, 222, 255, 0.35)
  );
  filter: blur(20px);
  border-radius: inherit;
}

/* TUNNEL ROTATION */
@keyframes waveSpin {
  from {
    transform: rotateX(0deg) rotateY(0deg);
  }
  to {
    transform: rotateX(360deg) rotateY(360deg);
  }
}
/* ================================
   INDEX / HOME PAGE – FINAL FIX
   (Scoped, zero side-effects)
================================ */

/* Prevent clashes */
.home-page,
.hero-layout {
  position: relative;
  isolation: isolate;
}

/* Grid spacing */
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  padding: 120px 100px;
}

/* LEFT CONTENT */
.hero-left {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* SUMN TITLE */
.hero-left .brand-title {
  font-size: 64px;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

/* TAGLINE */
.hero-left .tagline,
.home-tagline {
  font-size: 15px;
  letter-spacing: 0.14em;
  opacity: 0.7;
  margin-bottom: 36px;
}

/* CTA BUTTON */
.hero-left .primary-btn {
  margin-top: 8px;
}

/* RIGHT VISUAL AREA */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

/* TUNNEL SAFETY */
.tunnel {
  pointer-events: none;
}

/* MOBILE SAFE */
@media (max-width: 900px) {
  .hero-layout {
    grid-template-columns: 1fr;
    padding: 80px 40px;
    gap: 60px;
  }

  .hero-right {
    order: -1;
  }
}
/* ================================
   3D S WAVE LOGO (REPLACES TUNNEL)
================================ */

.s-wave-container {
  position: relative;
  width: 260px;
  height: 260px;

  display: flex;
  justify-content: center;
  align-items: center;

  transform-style: preserve-3d;
  animation: sSpin 16s linear infinite;
  perspective: 1200px;
}

.s-wave {
  position: absolute;

  font-size: 180px;
  font-weight: 900;
  font-family: 'Space Grotesk', sans-serif;

  color: #ff4d4d;
  letter-spacing: -0.05em;

  transform: translateZ(var(--z));
  opacity: 0.12;

  text-shadow:
    0 0 18px rgba(255, 77, 77, 0.35),
    0 0 40px rgba(255, 77, 77, 0.25);

  filter: blur(0.4px);
}

/* Front layer sharper */
.s-wave:first-child {
  opacity: 1;
  filter: none;
  text-shadow:
    0 0 22px rgba(255, 77, 77, 0.65),
    0 0 60px rgba(255, 77, 77, 0.45);
}

/* Rotation animation */
@keyframes sSpin {
  from {
    transform: rotateX(0deg) rotateY(0deg);
  }
  to {
    transform: rotateX(360deg) rotateY(360deg);
  }
}

/* Hover = energy surge */
.hero-right:hover .s-wave {
  text-shadow:
    0 0 28px rgba(255, 90, 90, 0.9),
    0 0 80px rgba(255, 60, 60, 0.7);
}
/* ================================
   S WAVE – SIZE BOOST
================================ */
.s-wave {
  font-size: 210px; /* WAS 180px → now bolder */
}
/* ================================
   S WAVE – COLOR DEPTH SYNC
================================ */

/* Front S (core) */
.s-wave:nth-child(1) {
  color: #ff4d4d;
}

/* Depth waves */
.s-wave:nth-child(2) {
  color: rgba(255, 90, 90, 0.85);
}

.s-wave:nth-child(3) {
  color: rgba(180, 120, 160, 0.65);
}

.s-wave:nth-child(4) {
  color: rgba(120, 170, 220, 0.45);
}

.s-wave:nth-child(5) {
  color: rgba(80, 210, 255, 0.35);
}
/* ================================
   S PULSE ANIMATION
================================ */
@keyframes sPulse {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}
/* ================================
   SIDEBAR HOME → S INTERACTION
================================ */

/* When hovering Home, pulse the S */
.sidebar-nav a[href="index.html"]:hover ~ * .s-wave-container,
.sidebar-nav a.active ~ * .s-wave-container {
  animation: sPulse 0.6s ease;
}
/* ================================
   LIQUID WAVE WOBBLE
================================ */
@keyframes waveWobble {
  0% {
    transform: translateZ(var(--z)) rotate(0deg) scale(1);
  }
  25% {
    transform: translateZ(var(--z)) rotate(0.6deg) scale(1.01);
  }
  50% {
    transform: translateZ(var(--z)) rotate(-0.6deg) scale(0.995);
  }
  75% {
    transform: translateZ(var(--z)) rotate(0.4deg) scale(1.005);
  }
  100% {
    transform: translateZ(var(--z)) rotate(0deg) scale(1);
  }
}
/* ================================
   IDLE LIQUID MOTION
================================ */
.s-wave {
  animation:
    waveSpin 16s linear infinite,
    waveWobble 6s ease-in-out infinite;
}
/* ================================
   HOVER – STRONGER LIQUID FEEL
================================ */
.brand-title:hover .s-wave {
  animation:
    waveSpin 12s linear infinite,
    waveWobble 3.2s ease-in-out infinite;
}
/* ================================
   CURSOR-SYNCED DIRECTIONAL WOBBLE
================================ */
.brand-s {
  --tiltX: 0deg;
  --tiltY: 0deg;

  transform-style: preserve-3d;
  transform:
    rotateX(var(--tiltX))
    rotateY(var(--tiltY));
  transition: transform 0.12s ease-out;
}

/* Opposite motion for waves */
.s-wave {
  transform-style: preserve-3d;
  transform:
    rotateX(calc(var(--tiltX) * -1))
    rotateY(calc(var(--tiltY) * -1))
    translateZ(var(--z));
}
/* ================================
   PULSE RIPPLE (HOME CLICK)
================================ */
.brand-s::before {
  content: "";
  position: absolute;
  inset: -60%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(88, 200, 255, 0.6),
    transparent 70%
  );
  opacity: 0;
  transform: scale(0.4);
  pointer-events: none;
}

/* Trigger pulse */
.brand-s.pulse::before {
  animation: pulseRipple 0.9s ease-out forwards;
}

@keyframes pulseRipple {
  0% {
    opacity: 0.7;
    transform: scale(0.4);
  }
  100% {
    opacity: 0;
    transform: scale(1.8);
  }
}
/* ================================
   S WAVE CORE (RED)
================================ */
.s-wave-container {
  position: relative;
  width: 260px;
  height: 260px;
  perspective: 1200px;
  transform-style: preserve-3d;
}

.s-wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 160px;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;

  transform-style: preserve-3d;
  transform:
    translateZ(var(--z))
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg));

  transition: transform 0.15s ease-out;
}

/* Red core S */
.s-wave:first-child {
  color: #ff4d4d;
  text-shadow:
    0 0 20px rgba(255, 77, 77, 0.6),
    0 0 50px rgba(255, 77, 77, 0.4);
}

/* Cyan wave layers */
.s-wave:not(:first-child) {
  color: rgba(80, 220, 255, 0.85);
  filter: blur(1px);
  text-shadow:
    0 0 25px rgba(80, 220, 255, 0.6);
}

/* ================================
   LIQUID WOBBLE (IDLE)
================================ */
@keyframes liquidWobble {
  0%   { transform: translateZ(var(--z)) rotateZ(0deg); }
  50%  { transform: translateZ(var(--z)) rotateZ(0.6deg); }
  100% { transform: translateZ(var(--z)) rotateZ(0deg); }
}

.s-wave {
  animation: liquidWobble 4s ease-in-out infinite;
}

/* ================================
   PULSE RIPPLE (ON HOME CLICK)
================================ */
@keyframes pulseRipple {
  0% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.06);
    filter: brightness(1.35);
  }
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}

.s-wave-container.pulse {
  animation: pulseRipple 0.6s ease-out;
}
/* ================================
   LIQUID S – ADVANCED PHYSICS
================================ */

.s-wave-container {
  position: relative;
  width: 300px;
  height: 300px;
  perspective: 1400px;
  transform-style: preserve-3d;
}

/* S layers */
.s-wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 190px;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;

  transform-style: preserve-3d;
  transform:
    translate3d(var(--mx, 0px), var(--my, 0px), var(--z))
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg))
    scale(var(--scale, 1));

  transition:
    filter 0.3s ease,
    text-shadow 0.3s ease;
}

/* RED CORE */
.s-wave:first-child {
  color: #ff4d4d;
  text-shadow:
    0 0 18px rgba(255, 77, 77, 0.7),
    0 0 45px rgba(255, 77, 77, 0.45);
  z-index: 5;
}

/* CYAN WAVES */
.s-wave:not(:first-child) {
  color: rgba(90, 230, 255, 0.75);
  filter: blur(1.6px);
  text-shadow:
    0 0 40px rgba(90, 230, 255, 0.65);
}

/* BREAKUP STATE */
.s-wave.break {
  filter: blur(3px);
}

/* IDLE LIQUID MOTION */
@keyframes liquidDrift {
  0%   { transform: translateZ(var(--z)) rotateZ(0deg); }
  50%  { transform: translateZ(var(--z)) rotateZ(1.5deg); }
  100% { transform: translateZ(var(--z)) rotateZ(0deg); }
}

.s-wave {
  animation: liquidDrift 7s ease-in-out infinite;
}

/* PULSE RIPPLE */
@keyframes pulseRipple {
  0% { transform: scale(1); }
  40% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.s-wave-container.pulse {
  animation: pulseRipple 0.7s cubic-bezier(.22,.61,.36,1);
}
/* =========================
   LIGHT MODE (PREMIUM)
========================= */
body.light {
    --bg-main: #f1f5f9;
    --bg-card: #ffffff;
    --bg-soft: #e2e8f0;

    --text-main: #020617;
    --text-muted: #475569;

    --border: rgba(2, 6, 23, 0.12);
}

/* Light mode cards */
body.light .page,
body.light .welcome-section,
body.light .template-card,
body.light .task-panel {
    background: linear-gradient(
        180deg,
        rgba(255,255,255,0.95),
        rgba(241,245,249,0.95)
    );
    box-shadow: 0 30px 60px rgba(2,6,23,0.12);
}

/* Light sidebar */
body.light .sidebar {
    background: linear-gradient(
        180deg,
        #ffffff,
        #f1f5f9
    );
}

/* Light buttons */
body.light .btn.primary {
    background: linear-gradient(135deg, #38bdf8, #22d3ee);
    color: #020617;
}

/* Active sidebar item */
body.light .sidebar-nav a.active {
    background: rgba(56,189,248,0.25);
    color: #0284c7;
}