/* Shared foundations: colors, type, forms, buttons, alerts, cards. */
:root {
    --ink: #1f2d33;
    --ink-soft: #5d6b72;
    --line: #d9dfe2;
    --surface: #ffffff;
    --page: #f3f5f6;
    --nav: #17333d;
    --nav-active: #4f7f86;
    --accent: #2f6fb2;
    --accent-dark: #245a92;
    --hot: #e8833a;
    --ok-bg: #e6f4ea;    --ok-ink: #1e6b34;
    --bad-bg: #fdeaea;   --bad-ink: #a32222;
    --radius: 6px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

h1, h2 { margin: 0; font-weight: 600; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 14px; }
p { margin: 0 0 12px; }
a { color: var(--accent); }
.muted { color: var(--ink-soft); }
.hint { color: var(--ink-soft); font-size: .85rem; margin: -8px 0 14px; }
.icon { flex: none; vertical-align: middle; }

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 5px; }

input[type=text], input[type=search], input[type=email], input[type=password], input[type=tel],
input[type=date], input[type=time], input[type=number], input[type=url], select, textarea {
    display: block;
    width: 100%;
    margin-bottom: 16px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    font: inherit;           /* 16px keeps iOS from zooming in on focus */
}
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 9px 18px;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--accent);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.btn:hover { background: #eef4fa; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-block { width: 100%; }

.alert { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: .95rem; }
.alert-success { background: var(--ok-bg); color: var(--ok-ink); }
.alert-error { background: var(--bad-bg); color: var(--bad-ink); }

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.card-narrow { max-width: 460px; }
.card.empty { text-align: center; color: var(--ink-soft); padding: 48px 20px; }
.card.empty p:last-child { margin-bottom: 0; }