@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Sora:wght@600;700&display=swap');

:root {
  --app-font-main: "Manrope", "Aptos", "Segoe UI Variable", "Trebuchet MS", sans-serif;
  --app-font-heading: "Sora", "Manrope", "Bahnschrift", sans-serif;
  --app-font-size-base: 15px;
  --app-line-height-base: 1.42;
  --app-heading-scale: 0.94;

  --app-bg-1: #eef3f9;
  --app-bg-2: #d8e4f2;
  --app-surface: rgba(255, 255, 255, 0.9);
  --app-surface-solid: #ffffff;
  --app-surface-soft: #f4f8fc;
  --app-text: #102336;
  --app-text-soft: #48617a;
  --app-border: #c8d7e7;
  --app-primary: #196497;
  --app-primary-strong: #124f78;
  --app-primary-contrast: #ffffff;
  --app-danger: #c4434c;
  --app-danger-soft: #ffeef0;
  --app-success: #22865a;
  --app-shadow: 0 16px 36px rgba(12, 39, 62, 0.16);
  --app-shadow-soft: 0 8px 18px rgba(14, 38, 59, 0.1);
  --app-input-focus: rgba(25, 100, 151, 0.22);
  --app-radius-sm: 8px;
  --app-radius-md: 12px;
  --app-radius-lg: 16px;
  --app-radius-xl: 24px;
  --app-nav-grad-a: #215e89;
  --app-nav-grad-b: #194c72;
}

:root[data-theme='ocean'] {
  --app-bg-1: #eef3f9;
  --app-bg-2: #d8e4f2;
  --app-surface: rgba(255, 255, 255, 0.9);
  --app-surface-solid: #ffffff;
  --app-surface-soft: #f4f8fc;
  --app-text: #102336;
  --app-text-soft: #48617a;
  --app-border: #c8d7e7;
  --app-primary: #196497;
  --app-primary-strong: #124f78;
  --app-primary-contrast: #ffffff;
  --app-danger: #c4434c;
  --app-danger-soft: #ffeef0;
  --app-shadow: 0 16px 36px rgba(12, 39, 62, 0.16);
  --app-input-focus: rgba(25, 100, 151, 0.22);
  --app-nav-grad-a: #215e89;
  --app-nav-grad-b: #194c72;
}

:root[data-theme='amber'] {
  --app-bg-1: #fbf6ea;
  --app-bg-2: #f1debf;
  --app-surface: rgba(255, 253, 248, 0.92);
  --app-surface-solid: #fffdf8;
  --app-surface-soft: #f8f1e3;
  --app-text: #3b2a14;
  --app-text-soft: #6d5335;
  --app-border: #e6cfab;
  --app-primary: #9a5d18;
  --app-primary-strong: #7a4912;
  --app-primary-contrast: #ffffff;
  --app-danger: #b33a34;
  --app-danger-soft: #fce9e6;
  --app-shadow: 0 16px 36px rgba(74, 45, 16, 0.15);
  --app-input-focus: rgba(154, 93, 24, 0.22);
  --app-nav-grad-a: #935518;
  --app-nav-grad-b: #713f10;
}

:root[data-theme='mint'] {
  --app-bg-1: #ebf8f2;
  --app-bg-2: #cdebdc;
  --app-surface: rgba(253, 255, 254, 0.92);
  --app-surface-solid: #ffffff;
  --app-surface-soft: #edf8f2;
  --app-text: #163528;
  --app-text-soft: #46695a;
  --app-border: #bfe2d2;
  --app-primary: #1d7d5b;
  --app-primary-strong: #155e43;
  --app-primary-contrast: #ffffff;
  --app-danger: #b64040;
  --app-danger-soft: #fdecec;
  --app-shadow: 0 16px 36px rgba(16, 58, 43, 0.16);
  --app-input-focus: rgba(29, 125, 91, 0.2);
  --app-nav-grad-a: #1c7555;
  --app-nav-grad-b: #16583f;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  font-family: var(--app-font-main);
  min-height: 100%;
}

html {
  font-size: var(--app-font-size-base);
}

body {
  margin: 0;
  font-size: 1rem;
  line-height: var(--app-line-height-base);
  color: var(--app-text);
  background:
    radial-gradient(circle at 14% 9%, color-mix(in srgb, var(--app-primary) 24%, transparent), transparent 42%),
    radial-gradient(circle at 86% 20%, color-mix(in srgb, var(--app-primary) 18%, transparent), transparent 40%),
    radial-gradient(circle at 50% 130%, color-mix(in srgb, var(--app-primary) 12%, transparent), transparent 48%),
    linear-gradient(160deg, var(--app-bg-1), var(--app-bg-2));
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--app-font-heading);
  color: var(--app-text);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 {
  font-size: calc(2rem * var(--app-heading-scale));
}

h2 {
  font-size: calc(1.5rem * var(--app-heading-scale));
}

h3 {
  font-size: calc(1.17rem * var(--app-heading-scale));
}

h4 {
  font-size: calc(1rem * var(--app-heading-scale));
}

h5 {
  font-size: calc(0.83rem * var(--app-heading-scale));
}

h6 {
  font-size: calc(0.67rem * var(--app-heading-scale));
}

button,
input,
select,
textarea {
  font-family: var(--app-font-main);
  font-size: 0.94rem;
}

button {
  border: 1px solid var(--app-border);
  background: color-mix(in srgb, var(--app-surface-solid) 88%, var(--app-bg-2));
  color: var(--app-text);
  border-radius: var(--app-radius-sm);
  transition: transform 0.14s ease, box-shadow 0.2s ease, background-color 0.18s ease;
}

button:hover {
  background: color-mix(in srgb, var(--app-surface-solid) 74%, var(--app-bg-2));
  box-shadow: var(--app-shadow-soft);
}

button:active {
  transform: translateY(1px);
}

input,
select,
textarea {
  border: 1px solid var(--app-border);
  color: var(--app-text);
  background: var(--app-surface-solid);
  border-radius: var(--app-radius-sm);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--app-primary);
  box-shadow: 0 0 0 4px var(--app-input-focus);
}

::selection {
  background: color-mix(in srgb, var(--app-primary) 30%, white);
  color: var(--app-text);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: color-mix(in srgb, var(--app-bg-2) 76%, white);
}

::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--app-primary) 40%, var(--app-bg-2));
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.72);
}

::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--app-primary) 54%, var(--app-bg-2));
}

.theme-switcher {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 9999;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--app-surface) 92%, transparent);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: var(--app-shadow-soft);
}

.theme-switcher-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--app-text-soft);
}

.theme-switcher-select {
  min-height: 30px;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
}

@media (max-width: 760px) {
  :root {
    --app-font-size-base: 14px;
    --app-line-height-base: 1.48;
    --app-heading-scale: 0.9;
  }

  .theme-switcher {
    left: 10px;
    right: 10px;
    bottom: 10px;
    justify-content: center;
  }
}

@media (max-width: 430px) {
  :root {
    --app-font-size-base: 13.5px;
    --app-line-height-base: 1.5;
    --app-heading-scale: 0.88;
  }
}