/* Netpix POS portal — shared styles. Mobile-first, dark theme to match
   the kiosk/admin look. Pure CSS, no framework. */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #050508;
    --bg-card: #0f1117;
    --border: #1f2937;
    --text: #e5e7eb;
    --text-muted: #94a3b8;
    --text-dim: #6b7280;
    --accent: #4da6ff;
    --accent-hover: #5cb8ff;
    --success: #10b981;
    --error: #ef4444;
    --warn: #f59e0b;
}
body {
    background: linear-gradient(135deg, var(--bg), #0a0c12);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    line-height: 1.5;
}
.nav {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1100px; margin: 0 auto; padding: 18px 24px;
}
.nav .brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; letter-spacing: 1px; color: var(--text);
    text-decoration: none;
}
.nav .brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.nav .links a {
    color: var(--text-muted); text-decoration: none;
    margin-left: 22px; font-size: 14px;
}
.nav .links a:hover { color: var(--accent); }
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    margin-bottom: 20px;
}
h1 { font-size: 28px; margin-bottom: 8px; }
h2 { font-size: 20px; margin-bottom: 12px; color: var(--accent); letter-spacing: 1px; }
h3 { font-size: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
p { color: var(--text-muted); margin-bottom: 12px; }
label { display: block; font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin: 16px 0 6px; }
input, textarea, select {
    width: 100%; padding: 12px 14px; font-size: 14px;
    background: #050508; color: var(--text);
    border: 1px solid var(--border); border-radius: 8px;
    font-family: inherit;
}
input:focus, textarea:focus { border-color: var(--accent); outline: none; }
button, .btn {
    display: inline-block;
    padding: 12px 24px; font-size: 14px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    background: var(--accent); color: #000;
    border: none; border-radius: 8px; cursor: pointer;
    text-decoration: none;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero { text-align: center; padding: 60px 24px; }
.hero h1 { font-size: 42px; margin-bottom: 12px; }
.hero p { font-size: 16px; max-width: 540px; margin: 0 auto 24px; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: rgba(239, 68, 68, 0.1); border: 1px solid var(--error); color: var(--error); }
.alert.success { background: rgba(16, 185, 129, 0.1); border: 1px solid var(--success); color: var(--success); }
.alert.info { background: rgba(77, 166, 255, 0.1); border: 1px solid var(--accent); color: var(--accent); }
.code-box {
    background: #050508;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    font-family: Consolas, monospace;
    font-size: 13px;
    color: var(--accent);
    word-break: break-all;
    margin: 8px 0 16px;
    user-select: all;
}
.kv-grid { display: grid; grid-template-columns: 200px 1fr; gap: 8px 16px; margin: 12px 0; }
.kv-grid .k { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.kv-grid .v { color: var(--text); font-size: 14px; }
.muted { color: var(--text-muted); font-size: 13px; }
.dim { color: var(--text-dim); font-size: 12px; }
.footer { text-align: center; padding: 40px 24px; color: var(--text-dim); font-size: 12px; }