/* ============================================================
   base.css – Reset, root scaling, design tokens & hub grid
   ============================================================ */

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- Root scaling ----------
   1 rem = 16 px at 2560 × 1440.
   Everything below is in rem so the entire UI scales proportionally.
   ---------------------------------- */
html {
  font-size: min(calc(100vw / 160), calc(100vh / 90));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Design tokens ---------- */
:root {
  color-scheme: dark;

  /* ── Page layout ── */
  --page-padding:       3rem;       /* 48 px */
  --grid-gap:           1.125rem;   /* 18 px */

  /* ── Tile ── */
  --tile-radius:        1.5rem;     /* 24 px */
  --tile-padding:       1.75rem;    /* 28 px */

  /* ── Column widths ── */
  --col-1:              35rem;      /* 560 px */
  --col-2:              44.75rem;   /* 716 px */
  --col-3:              35.4375rem; /* 567 px */
  --col-4:              35.4375rem; /* 567 px */

  /* ── Colors ── */
  --color-bg:           #07090d;
  --color-primary:      #f2f4f8;
  --color-secondary:    #8b93a3;
  --color-accent:       #6ea8ff;

  /* Glass tile */
  --tile-bg:            rgba(18, 22, 30, 0.38);
  --tile-border:        rgba(255, 255, 255, 0.08);
  --tile-shadow:        0 0.5rem 2rem rgba(0, 0, 0, 0.25);
  --tile-blur:          blur(0.5rem) saturate(120%);

  /* Bar-chart gradient */
  --color-bar-cool:     #5b8def;
  --color-bar-warm:     #f0a45d;

  /* ── Clock ── */
  --clock-time-size:    6rem;         /* 96 px */
  --clock-seconds-size: 2.125rem;     /* 34 px  */
  --clock-weekday-size: 1.75rem;      /* 28 px  */
  --clock-date-size:    1.25rem;      /* 20 px  */

  /* ── Weather ── */
  --weather-header-size:        0.9375rem;  /* 15 px  */
  --weather-icon-size:          5rem;       /* 80 px  */
  --weather-temp-size:          4.5rem;     /* 72 px  */
  --weather-condition-size:     1.375rem;   /* 22 px  */
  --weather-details-size:       1rem;       /* 16 px  */
  --weather-chart-height:       12.5rem;    /* 200 px */
  --weather-forecast-label-size:0.9375rem;  /* 15 px  */
  --weather-forecast-temp-size: 0.9375rem;  /* 15 px  */
  --weather-forecast-icon-size: 1.75rem;    /* 28 px  */
  --weather-bar-width:          1rem;       /* 16 px  */

  /* ── Search ── */
  --search-width:       47.5rem;    /* 760 px */
  --search-height:      3.5rem;     /* 56 px  */
  --search-font-size:   1.25rem;    /* 20 px  */

  /* ── Quick Access ── */
  --qa-slot-size:       9.375rem;   /* 150 px */
  --qa-slot-radius:     1.125rem;   /* 18 px  */
  --qa-slot-gap:        1.25rem;    /* 20 px  */
  --qa-favicon-size:    3.5rem;     /* 56 px  */
  --qa-favicon-radius:  0.75rem;    /* 12 px  */
  --qa-label-size:      0.875rem;   /* 14 px  */
  --qa-header-size:     0.9375rem;  /* 15 px  */

  /* ── Dialog ── */
  --dialog-width:       32.5rem;    /* 520 px */
  --dialog-radius:      1.75rem;    /* 28 px  */

  /* ── Typography ── */
  --font-family:        system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-family);
  color: var(--color-primary);
  background: var(--color-bg);
  width: 100vw;
  min-height: 100vh;
  box-sizing: border-box;
  overflow: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

@media (max-height: 900px) {
  body {
    overflow-y: auto;
  }
}

body::-webkit-scrollbar {
  width: 8px;
}
body::-webkit-scrollbar-track {
  background: transparent;
}
body::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
}

/* ---------- Keyboard focus ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Hub grid ----------
   grid-template-areas:
     "search   search   search   search"
     "clock    .        .        ."
     "weather  quick    stocks   stocks"
     "schedule schedule notes    news"
   ---------------------------------- */
.hub-grid {
  display: grid;
  grid-template-areas:
    "search   search   search   search"
    "clock    .        .        ."
    "weather  quick    stocks   stocks"
    "schedule schedule notes    news";
  grid-template-columns: var(--col-1) var(--col-2) var(--col-3) var(--col-4);
  grid-template-rows: auto auto auto auto;
  align-items: start;
  gap: var(--grid-gap);
  padding: 2.25rem 3rem;
  min-height: 100vh;
  box-sizing: border-box;
}

/* ---------- Greeting card ---------- */
.greeting {
  position: fixed;
  top: 2.5rem;                     /* 40px */
  left: 3rem;                      /* 48px — flush with page padding */
  z-index: 10;
  white-space: nowrap;
  font-size: 1.1875rem;            /* ~19px */
  color: var(--color-primary);
  font-weight: 400;

  /* Glass card */
  background: var(--tile-bg);
  backdrop-filter: var(--tile-blur);
  -webkit-backdrop-filter: var(--tile-blur);
  border: 1px solid var(--tile-border);
  box-shadow: var(--tile-shadow);
  border-radius: 1rem;             /* 16px */
  padding: 1rem 1.25rem;           /* 16px × 20px */

  /* Start hidden off-screen left */
  transform: translateX(-120%);
  opacity: 0;
  pointer-events: none;
}

.greeting--visible {
  pointer-events: auto;
}

.greeting--hidden {
  pointer-events: none;
}

/* Slide in from left */
.greeting--slide-in {
  animation: greeting-slide-in 450ms ease-out forwards;
}
@keyframes greeting-slide-in {
  from {
    transform: translateX(-120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Slide out to left */
.greeting--slide-out {
  animation: greeting-slide-out 400ms ease-in forwards;
}
@keyframes greeting-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-120%);
    opacity: 0;
  }
}

/* Emoji wave — plays 2 iterations then stops */
.greeting-emoji {
  display: inline-block;
  transform-origin: 70% 70%;
}
.greeting-wave {
  animation: greeting-wave-cycle 500ms ease-in-out 2;
}
@keyframes greeting-wave-cycle {
  0%   { transform: rotate(0deg); }
  25%  { transform: rotate(12deg); }
  50%  { transform: rotate(0deg); }
  75%  { transform: rotate(-12deg); }
  100% { transform: rotate(0deg); }
}

/* Reduced-motion: fade only, no slides or wave */
@media (prefers-reduced-motion: reduce) {
  .greeting--slide-in {
    animation: greeting-fade-in 450ms ease-out forwards;
  }
  .greeting--slide-out {
    animation: greeting-fade-out 400ms ease-in forwards;
  }
  .greeting-wave {
    animation: none;
  }
}
@keyframes greeting-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes greeting-fade-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}