/* Baseline — Apple Health -henkinen ilme.
   Värit: validoitu referenssipaletti (light/dark omat askeleet). */

:root {
    color-scheme: light;
    --page: #f9f9f7;
    --surface: #fcfcfb;
    --ink: #0b0b0b;
    --ink-2: #52514e;
    --muted: #898781;
    --grid: #e1e0d9;
    --baseline: #c3c2b7;
    --border: rgba(11, 11, 11, 0.10);
    --accent: #2a78d6;
    --good: #006300;
    --bad: #d03b3b;

    /* Mittareiden tunnistevärit */
    --c-uni: #2a78d6;
    --c-fiilis: #d55181;
    --c-energia: #eb6834;
    --c-paino: #4a3aa7;
    --c-saldo: #008300;
    --c-ring1: #2a78d6;
    --c-ring2: #1baf7a;
    --c-ring3: #eb6834;
    --c-ring4: #4a3aa7;
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page: #0d0d0d;
        --surface: #1a1a19;
        --ink: #ffffff;
        --ink-2: #c3c2b7;
        --muted: #898781;
        --grid: #2c2c2a;
        --baseline: #383835;
        --border: rgba(255, 255, 255, 0.10);
        --accent: #3987e5;
        --good: #0ca30c;
        --bad: #e66767;

        --c-uni: #3987e5;
        --c-fiilis: #d55181;
        --c-energia: #d95926;
        --c-paino: #9085e9;
        --c-saldo: #008300;
        --c-ring1: #3987e5;
        --c-ring2: #199e70;
        --c-ring3: #d95926;
        --c-ring4: #9085e9;
    }
}

* { box-sizing: border-box; }

body {
    background: var(--page);
    color: var(--ink);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    max-width: 560px;
    margin: 0 auto;
    padding: 1.25rem 1rem 4rem;
    -webkit-font-smoothing: antialiased;
}

h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0.25rem 0 0.9rem;
}

/* Navigaatio pillereinä */
nav {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    margin-bottom: 0.9rem;
    -webkit-overflow-scrolling: touch;
}
nav a {
    flex-shrink: 0;
    color: var(--ink-2);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
}
nav a:hover { color: var(--ink); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1rem 1.1rem;
    margin: 0.8rem 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Mittarilaatat */
.tiles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin: 0.8rem 0;
}

.tile {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 0.85rem 1rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.tile-label {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink-2);
}

.tile-value {
    font-size: 1.7rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    margin-top: 0.25rem;
}

.tile-value small {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink-2);
}

.tile-delta {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.1rem;
}
.delta-good { color: var(--good); }
.delta-bad { color: var(--bad); }
.delta-neutral { color: var(--muted); }

/* Kaaviot */
.viz { width: 100%; height: auto; display: block; }

.viz text {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 11px;
    fill: var(--muted);
}
.viz .val-label {
    font-size: 11px;
    font-weight: 600;
    fill: var(--ink-2);
}
.viz .gridline { stroke: var(--grid); stroke-width: 1; }
.viz .baseline { stroke: var(--baseline); stroke-width: 1; }

.legend {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.78rem;
    color: var(--ink-2);
}
.legend span { display: flex; align-items: center; gap: 0.35rem; }

/* Tavoiterenkaat */
.rings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
}
.ring {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.3rem;
}
.ring-value {
    font-size: 0.95rem;
    font-weight: 650;
}
.ring-label {
    font-size: 0.75rem;
    color: var(--ink-2);
}

.goal-list {
    margin: 0.5rem 0 0;
    padding-left: 1.2rem;
    font-size: 0.9rem;
}
.goal-list li { margin: 0.35rem 0; }

/* Tooltip */
.viz-tip {
    position: fixed;
    z-index: 10;
    background: var(--ink);
    color: var(--page);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.55rem;
    border-radius: 8px;
    pointer-events: none;
    display: none;
    white-space: nowrap;
}

/* Lomakkeet */
label {
    display: block;
    margin: 0.75rem 0 0.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ink-2);
}

input, textarea {
    width: 100%;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--page);
    color: var(--ink);
    font-size: 1rem;
    font-family: inherit;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
    margin-top: 1.1rem;
    padding: 0.6rem 1.3rem;
    border: none;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
}

.status {
    padding: 0.6rem 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
}
.status.ok { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good); }
.status.err { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }

.muted {
    font-size: 0.85rem;
    color: var(--muted);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
}
th, td {
    text-align: left;
    padding: 0.45rem 0.3rem;
    border-bottom: 1px solid var(--grid);
}
th { color: var(--ink-2); font-weight: 600; }

/* Chat */
.chat { margin: 1rem 0; }

.msg {
    max-width: 88%;
    margin: 0.6rem 0;
    padding: 0.65rem 0.95rem;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.45;
}
.msg-user {
    margin-left: auto;
    background: var(--accent);
    color: white;
    border-bottom-right-radius: 6px;
}
.msg-user .msg-header { color: rgba(255, 255, 255, 0.75); }
.msg-coach {
    margin-right: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom-left-radius: 6px;
}
.msg-header {
    font-size: 0.68rem;
    color: var(--muted);
    margin-bottom: 0.3rem;
}

.session-prev { opacity: 0.55; }

.session-divider {
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
    margin: 1rem 0;
    padding: 0.4rem;
    border-top: 1px dashed var(--border);
    border-bottom: 1px dashed var(--border);
}

.topic-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.6rem;
}
.topic {
    padding: 0.28rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--ink-2);
}
.topic-active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.topic-new { display: flex; gap: 0.5rem; }
.topic-new input { flex: 1; }
.topic-new button { margin-top: 0; }

.suggestion {
    margin: 0.4rem 0 0.8rem;
    padding: 0.65rem 0.95rem;
    border: 1px dashed var(--accent);
    border-radius: 14px;
    font-size: 0.85rem;
    max-width: 88%;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.suggestion-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }

.btn-small { margin-top: 0; padding: 0.35rem 0.85rem; font-size: 0.85rem; }
.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--border);
}