:root {
    color-scheme: light;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f6f7f9;
    /* Loader accent. Overridden at boot by index.html from the last tenant
       accent persisted in localStorage (App.kt) so the splash matches the
       tenant before wasm loads. Defaults to the brand purple. */
    --loader-accent: #7333FC;
    --loader-accent-soft: rgba(115, 51, 252, 0.14);
}

html,
body {
    width: 100%;
    min-width: 320px;
    height: 100%;
    margin: 0;
    overflow: hidden;
}

body {
    background: #f6f7f9;
}

canvas {
    outline: none;
}

/* Mobile-only frame: the Compose canvas mounts inside #app, so capping the
   container constrains EVERYTHING — including bottom sheets and dialogs —
   until a real desktop layout exists. */
#app {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 100%;
    margin: 0 auto;
    box-shadow: 0 0 32px rgba(23, 32, 51, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root,
    body {
        background: #0f0f10;
    }
}

.app-loader {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    color: #172033;
    background:
        radial-gradient(circle at 30% 20%, rgba(31, 111, 235, 0.10), transparent 55%),
        radial-gradient(circle at 70% 80%, rgba(15, 118, 110, 0.10), transparent 55%),
        #f6f7f9;
    font: 500 15px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    z-index: 10;
    padding: 24px;
    text-align: center;
}

/* Loader visual presets — index.html picks one at random per page load.
   All use the --loader-accent var (overridden at boot from the last tenant
   accent; see :root and index.html) so they read as one family. */
.app-loader__visual {
    position: relative;
}

/* 1. cells — four squares filling left-to-right */
.app-loader__visual--cells {
    height: 16px;
    width: 106px;
    background-image:
        linear-gradient(var(--loader-accent-soft) 16px, transparent 0),
        linear-gradient(var(--loader-accent-soft) 16px, transparent 0),
        linear-gradient(var(--loader-accent-soft) 16px, transparent 0),
        linear-gradient(var(--loader-accent-soft) 16px, transparent 0);
    background-repeat: no-repeat;
    background-size: 16px 16px;
    background-position: 0 0, 30px 0, 60px 0, 90px 0;
    animation: app-loader-cells 1.2s linear infinite;
}

@keyframes app-loader-cells {
    0%   { background-image: linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0); }
    25%  { background-image: linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0); }
    50%  { background-image: linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0); }
    75%  { background-image: linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent-soft) 16px, transparent 0); }
    100% { background-image: linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0), linear-gradient(var(--loader-accent) 16px, transparent 0); }
}

/* 2. pill — thumb sliding inside a rounded track */
.app-loader__visual--pill {
    width: 140px;
    height: 26px;
    border-radius: 50px;
    background-color: var(--loader-accent-soft);
}

.app-loader__visual--pill::after {
    content: "";
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 3px;
    right: 100px;
    border-radius: 50px;
    background-color: var(--loader-accent);
    animation: app-loader-pill 2s linear infinite;
}

@keyframes app-loader-pill {
    0%   { right: 100px; left: 3px; }
    5%   { left: 3px; }
    50%  { right: 3px; left: 100px; }
    55%  { right: 3px; }
    100% { right: 100px; left: 3px; }
}

/* 3. spikes — equalizer bars */
.app-loader__visual--spikes {
    width: 44px;
    height: 44px;
    background-repeat: no-repeat;
    background-image:
        linear-gradient(var(--loader-accent) 44px, transparent 0),
        linear-gradient(var(--loader-accent) 44px, transparent 0),
        linear-gradient(var(--loader-accent) 44px, transparent 0),
        linear-gradient(var(--loader-accent) 44px, transparent 0),
        linear-gradient(var(--loader-accent) 44px, transparent 0),
        linear-gradient(var(--loader-accent) 44px, transparent 0);
    background-size: 4px 28px;
    background-position: 0 center, 8px center, 16px center, 24px center, 32px center, 40px center;
    animation: app-loader-spikes 1s linear infinite alternate;
}

@keyframes app-loader-spikes {
    0%   { background-size: 4px 28px; }
    16%  { background-size: 4px 44px, 4px 28px, 4px 28px, 4px 28px, 4px 28px, 4px 28px; }
    33%  { background-size: 4px 28px, 4px 44px, 4px 28px, 4px 28px, 4px 28px, 4px 28px; }
    50%  { background-size: 4px 28px, 4px 28px, 4px 44px, 4px 28px, 4px 28px, 4px 28px; }
    66%  { background-size: 4px 28px, 4px 28px, 4px 28px, 4px 44px, 4px 28px, 4px 28px; }
    83%  { background-size: 4px 28px, 4px 28px, 4px 28px, 4px 28px, 4px 44px, 4px 28px; }
    100% { background-size: 4px 28px, 4px 28px, 4px 28px, 4px 28px, 4px 28px, 4px 44px; }
}

/* 4. orbit — single minimalist ring */
.app-loader__visual--orbit {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 4px solid var(--loader-accent-soft);
    border-top-color: var(--loader-accent);
    box-sizing: border-box;
    animation: app-loader-spin 0.9s linear infinite;
}

.app-loader__text {
    min-height: 1.25em;
    max-width: 320px;
    color: #5D6678;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: opacity 220ms ease, transform 220ms ease;
    opacity: 1;
    transform: translateY(0);
}

.app-loader__text--leaving {
    opacity: 0;
    transform: translateY(-6px);
}

@keyframes app-loader-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .app-loader__visual,
    .app-loader__visual::after {
        animation-duration: 6s;
    }

    .app-loader__text {
        transition: none;
    }
}