:root {
  --tertiary-container: #a66117;
  --surface-container-lowest: #ffffff;
  --inverse-primary: #ffb4a6;
  --on-error-container: #93000a;
  --surface-container-low: #f6f4e2;
  --error-container: #ffdad6;
  --on-secondary-fixed: #112000;
  --on-primary-container: #fff7f5;
  --on-error: #ffffff;
  --surface-tint: #b32a14;
  --inverse-surface: #313125;
  --on-primary-fixed: #3f0300;
  --background: #fcfae8;
  --tertiary: #874a00;
  --secondary-fixed-dim: #add377;
  --on-tertiary: #ffffff;
  --surface-variant: #e5e3d2;
  --on-tertiary-fixed-variant: #6c3a00;
  --outline: #8e706a;
  --tertiary-fixed-dim: #ffb778;
  --primary-fixed-dim: #ffb4a6;
  --surface: #fcfae8;
  --inverse-on-surface: #f3f1df;
  --error: #ba1a1a;
  --tertiary-fixed: #ffdcc1;
  --on-surface: #1c1c12;
  --secondary-fixed: #c8ef91;
  --surface-bright: #fcfae8;
  --on-background: #1c1c12;
  --primary: #ac250f;
  --outline-variant: #e2beb8;
  --secondary: #486819;
  --primary-fixed: #ffdad3;
  --secondary-container: #c5ed8e;
  --on-secondary-fixed-variant: #314f00;
  --surface-container: #f0efdd;
  --on-tertiary-fixed: #2e1500;
  --surface-container-high: #ebe9d7;
  --on-secondary: #ffffff;
  --on-tertiary-container: #fff6f2;
  --on-primary: #ffffff;
  --surface-dim: #dcdbc9;
  --on-secondary-container: #4c6c1d;
  --on-primary-fixed-variant: #8f1100;
  --surface-container-highest: #e5e3d2;
  --primary-container: #cf3e26;
  --on-surface-variant: #5a413c;

  --tactile-border: #5a413c;
}

.dark {
  --background: #140e0c;
  --surface: #140e0c;
  --on-background: #ffffff;
  --on-surface: #ffffff;
  --surface-container-lowest: #1d1512;
  --surface-container-low: #19110f;
  --surface-container: #231a17;
  --surface-container-high: #2b201d;
  --surface-container-highest: #332723;
  
  --primary: #ff5c42;
  --on-primary: #ffffff;
  --primary-container: #ac250f;
  --on-primary-container: #ffebe8;
  --primary-fixed: #3d1008;
  --on-primary-fixed: #ffffff;
  --primary-fixed-dim: #2c0a04;
  
  --secondary: #a2d365;
  --on-secondary: #1c3600;
  --secondary-container: #2a4e00;
  --on-secondary-container: #cbe9a2;
  
  --tertiary: #ffffff;
  --on-tertiary: #422200;
  --tertiary-container: #5c3000;
  --on-tertiary-container: #ffffff;
  
  --surface-variant: #453330;
  --on-surface-variant: #dcd0cd;
  --outline: #8e706a;
  --outline-variant: #4d3733;
  
  --error: #ffb4ab;
  --error-container: #93000a;
  --on-error: #690005;
  --on-error-container: #ffdad6;

  --tactile-border: #8c716b;
}

.tactile-border {
    border: 2px solid var(--tactile-border);
    box-shadow: 4px 4px 0px 0px var(--tactile-border);
}
.tactile-hover:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px 0px var(--tactile-border);
}

/* Intro Animation */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--surface);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 1.2s cubic-bezier(0.76, 0, 0.24, 1), opacity 1.2s cubic-bezier(0.76, 0, 0.24, 1);
}

.intro-overlay.fade-out {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0px;
    opacity: 0;
    transform: scale(0.7) translateY(40px);
    transition: transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 1.2s ease-out;
}

.intro-content.animate {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.intro-content.exit {
    opacity: 0;
    transform: scale(0.5) translateY(-120px);
    transition: transform 0.8s cubic-bezier(0.76, 0, 0.24, 1), opacity 0.6s cubic-bezier(0.76, 0, 0.24, 1);
}

.intro-logo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 4px solid var(--primary-container);
    box-shadow: 0 10px 25px rgba(207, 62, 38, 0.2);
    object-fit: cover;
    z-index: 2;
}

.intro-text {
    font-family: 'Literata', serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-top: -16px;
    z-index: 1;
}

.main-content-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.34, 1.56, 0.64, 1), transform 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.main-content-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.animate-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes pulse-slow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}
.animate-pulse-slow {
    animation: pulse-slow 3s ease-in-out infinite;
}

/* View Transition Theme Toggle Animations */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(root) {
  z-index: 1;
}

::view-transition-new(root) {
  z-index: 9999;
}

/* Sky Switch Theme Toggle */
.theme-switch {
  --toggle-size: 12px; /* Lebih kompak di layar mobile agar proporsional di header */
  --container-width: 5.625em;
  --container-height: 2.5em;
  --container-radius: 6.25em;
  --container-light-bg: var(--tertiary-fixed); /* Warm brand peach morning sky (#ffdcc1) */
  --container-night-bg: var(--surface-container); /* Deep brand dark espresso night sky (#231a17) */
  --circle-container-diameter: 3.375em;
  --sun-moon-diameter: 2.125em;
  --sun-bg: var(--primary); /* Crimson brand-red sun (#ac250f / #ff5c42) */
  --moon-bg: var(--surface-bright); /* Warm cream moon (#fcfae8) */
  --spot-color: var(--outline); /* Warm terracotta moon spots (#8c716b) */
  --circle-container-offset: calc((var(--circle-container-diameter) - var(--container-height)) / 2 * -1);
  --stars-color: var(--tertiary-fixed-dim); /* Warm gold starry glow (#ffb778) */
  --clouds-color: var(--background); /* Warm brand cream clouds (#fcfae8) */
  --back-clouds-color: var(--surface-variant); /* Accent beige background clouds (#e5e3d2) */
  --transition: .5s cubic-bezier(0, -0.02, 0.4, 1.25);
  --circle-transition: .3s cubic-bezier(0, -0.02, 0.35, 1.17);
}

@media (min-width: 640px) {
  .theme-switch {
    --toggle-size: 14px; /* Ukuran standar premium di tablet/desktop */
  }
}

.theme-switch, .theme-switch *, .theme-switch *::before, .theme-switch *::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-size: var(--toggle-size);
}

.theme-switch__container {
  width: var(--container-width);
  height: var(--container-height);
  background-color: var(--container-light-bg);
  border-radius: var(--container-radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid var(--tactile-border);
  box-shadow: 3px 3px 0px 0px var(--tactile-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
  position: relative;
}

.theme-switch__container:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px 0px var(--tactile-border);
}

.theme-switch__container::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: var(--container-radius);
}

.theme-switch__checkbox {
  display: none !important;
}

.theme-switch__circle-container {
  width: var(--circle-container-diameter);
  height: var(--circle-container-diameter);
  background-color: rgba(255, 255, 255, 0.1);
  position: absolute;
  left: var(--circle-container-offset);
  top: var(--circle-container-offset);
  border-radius: var(--container-radius);
  -webkit-box-shadow: inset 0 0 0 3.375em rgba(255, 255, 255, 0.05), inset 0 0 0 3.375em rgba(255, 255, 255, 0.05), 0 0 0 0.625em rgba(255, 255, 255, 0.05), 0 0 0 1.25em rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 3.375em rgba(255, 255, 255, 0.05), inset 0 0 0 3.375em rgba(255, 255, 255, 0.05), 0 0 0 0.625em rgba(255, 255, 255, 0.05), 0 0 0 1.25em rgba(255, 255, 255, 0.05);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-transition: var(--circle-transition);
  -o-transition: var(--circle-transition);
  transition: var(--circle-transition);
  pointer-events: none;
}

.theme-switch__sun-moon-container {
  pointer-events: auto;
  position: relative;
  z-index: 2;
  width: var(--sun-moon-diameter);
  height: var(--sun-moon-diameter);
  margin: auto;
  border-radius: var(--container-radius);
  background-color: var(--sun-bg);
  border: 2px solid var(--tactile-border);
  overflow: hidden;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.theme-switch__moon {
  -webkit-transform: translateX(100%);
  -ms-transform: translateX(100%);
  transform: translateX(100%);
  width: 100%;
  height: 100%;
  background-color: var(--moon-bg);
  border-radius: inherit;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
  position: relative;
}

.theme-switch__spot {
  position: absolute;
  top: 0.65em;
  left: 0.25em;
  width: 0.65em;
  height: 0.65em;
  border-radius: var(--container-radius);
  background-color: var(--spot-color);
  border: 1px solid var(--tactile-border);
}

.theme-switch__spot:nth-of-type(2) {
  width: 0.35em;
  height: 0.35em;
  top: 0.85em;
  left: 1.25em;
}

.theme-switch__spot:nth-last-of-type(3) {
  width: 0.25em;
  height: 0.25em;
  top: 0.25em;
  left: 0.75em;
}

.theme-switch__clouds {
  width: 1.25em;
  height: 1.25em;
  background-color: var(--clouds-color);
  border-radius: var(--container-radius);
  position: absolute;
  bottom: -0.625em;
  left: 0.312em;
  -webkit-box-shadow: 0.937em 0.312em var(--clouds-color), -0.312em -0.312em var(--back-clouds-color), 1.437em 0.375em var(--clouds-color), 0.5em -0.125em var(--back-clouds-color), 2.187em 0 var(--clouds-color), 1.25em -0.062em var(--back-clouds-color), 2.937em 0.312em var(--clouds-color), 2em -0.312em var(--back-clouds-color), 3.625em -0.062em var(--clouds-color), 2.625em 0em var(--back-clouds-color), 4.5em -0.312em var(--clouds-color), 3.375em -0.437em var(--back-clouds-color), 4.625em -1.75em 0 0.437em var(--clouds-color), 4em -0.625em var(--back-clouds-color), 4.125em -2.125em 0 0.437em var(--clouds-color);
  box-shadow: 0.937em 0.312em var(--clouds-color), -0.312em -0.312em var(--back-clouds-color), 1.437em 0.375em var(--clouds-color), 0.5em -0.125em var(--back-clouds-color), 2.187em 0 var(--clouds-color), 1.25em -0.062em var(--back-clouds-color), 2.937em 0.312em var(--clouds-color), 2em -0.312em var(--back-clouds-color), 3.625em -0.062em var(--clouds-color), 2.625em 0em var(--back-clouds-color), 4.5em -0.312em var(--clouds-color), 3.375em -0.437em var(--back-clouds-color), 4.625em -1.75em 0 0.437em var(--clouds-color), 4em -0.625em var(--back-clouds-color), 4.125em -2.125em 0 0.437em var(--clouds-color);
  -webkit-transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
  -o-transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
  transition: 0.5s cubic-bezier(0, -0.02, 0.4, 1.25);
}

.theme-switch__stars-container {
  position: absolute;
  color: var(--stars-color);
  top: -100%;
  left: 0.312em;
  width: 2.75em;
  height: auto;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

/* actions */

.theme-switch__checkbox:checked + .theme-switch__container {
  background-color: var(--container-night-bg);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container {
  left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter));
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__circle-container:hover {
  left: calc(100% - var(--circle-container-offset) - var(--circle-container-diameter) - 0.187em)
}

.theme-switch__circle-container:hover {
  left: calc(var(--circle-container-offset) + 0.187em);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__moon {
  -webkit-transform: translate(0);
  -ms-transform: translate(0);
  transform: translate(0);
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__clouds {
  bottom: -4.062em;
}

.theme-switch__checkbox:checked + .theme-switch__container .theme-switch__stars-container {
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}