/* SMS GpsNetic — mobile-first */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f6f7f9;
    color: #1f2937;
    font-size: 16px;
    line-height: 1.45;
}
.muted { color: #6b7280; }
.small { font-size: 0.85em; }
.hidden { display: none !important; }
code { font-family: ui-monospace, "Cascadia Code", Menlo, monospace; background: #eef0f3; padding: 2px 6px; border-radius: 4px; font-size: 0.92em; }

/* Topbar */
.topbar { background: #1e293b; color: #fff; }
.topbar-inner { max-width: 720px; margin: 0 auto; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; }
.topbar nav a { color: #cbd5e1; margin-left: 14px; text-decoration: none; font-size: 0.95em; }
.topbar nav a.active { color: #fff; font-weight: 600; }
.topbar nav a.muted { color: #94a3b8; }
.brand-mini { font-size: 1.05em; }

.container { max-width: 720px; margin: 0 auto; padding: 16px; }

/* Cards */
.card {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.card h2 { margin: 0 0 12px; font-size: 1.05em; color: #374151; font-weight: 600; }

/* Login */
.login-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: 14px;
    padding: 30px 24px;
    max-width: 380px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.login-card .brand { text-align: center; margin-bottom: 24px; }
.login-card .logo { font-size: 2.5em; }
.login-card h1 { margin: 6px 0 4px; font-size: 1.3em; }
.login-card label { display: block; margin-bottom: 6px; font-weight: 500; }
.login-card input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1em;
    margin-bottom: 14px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: #fff;
    color: #1f2937;
    font-size: 0.95em;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-block { display: block; width: 100%; padding: 14px; font-size: 1.05em; }
.btn-ghost { background: transparent; border-color: #d1d5db; }
.btn-ghost:hover { background: #f3f4f6; }
.btn-sm { padding: 6px 12px; font-size: 0.85em; }
.btn-xs { padding: 4px 8px; font-size: 0.78em; }
.btn-danger { background: #dc2626; color: #fff; }

/* Alerts */
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 0.95em; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-warn { background: #fef3c7; color: #92400e; }
.alert-ok { background: #d1fae5; color: #065f46; }

/* SIM selector */
.sim-selector { position: relative; }
.sim-selector input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1em;
}
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #d1d5db;
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 280px;
    overflow-y: auto;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: none;
}
.suggestions.open { display: block; }
.sugg-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid #f3f4f6;
}
.sugg-item:hover { background: #f3f4f6; }
.sugg-item .placa { font-weight: 600; }
.sugg-item .iccid { color: #6b7280; font-size: 0.85em; }
.sim-info { background: #ecfeff; border: 1px solid #a5f3fc; padding: 10px 14px; border-radius: 8px; margin-top: 10px; }
.sync-bar { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }

/* Command grid */
.cmd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}
.cmd-btn {
    padding: 14px 8px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 500;
    font-family: inherit;
    transition: background 0.1s;
}
.cmd-btn:hover { background: #e5e7eb; }
.cmd-btn.cmd-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.cmd-btn.cmd-danger:hover { background: #fee2e2; }
.cmd-btn.active { background: #2563eb; color: #fff; border-color: #1d4ed8; }

/* Compose */
.compose textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: ui-monospace, monospace;
    font-size: 1em;
    resize: vertical;
    margin-bottom: 8px;
}

/* Result */
#resultBox.result-ok { background: #ecfdf5; border: 1px solid #6ee7b7; padding: 14px; border-radius: 8px; }
#resultBox.result-error { background: #fef2f2; border: 1px solid #fca5a5; padding: 14px; border-radius: 8px; color: #991b1b; }

/* History */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.kpi { background: #fff; padding: 12px 8px; border-radius: 10px; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.kpi strong { display: block; font-size: 1.5em; color: #1e293b; }
.kpi small { color: #6b7280; }

.filter-bar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-bar input {
    flex: 1;
    min-width: 200px;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.95em;
}

.log-list { display: flex; flex-direction: column; gap: 10px; }
.log-item { background: #fff; padding: 12px 14px; border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); border-left: 3px solid #d1d5db; }
.log-item .log-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.log-item .log-target strong { font-size: 1.05em; }
.log-item .log-target small { margin-left: 6px; }
.log-item .log-cmd { margin: 6px 0; }
.log-item .log-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
.log-item .log-error { background: #fef2f2; padding: 6px 10px; border-radius: 6px; font-size: 0.85em; color: #991b1b; margin-top: 6px; }
.log-item .log-foot { margin-top: 6px; }

/* Badges */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 0.78em; font-weight: 600; background: #e5e7eb; color: #374151; }
.badge-ok { background: #d1fae5; color: #065f46; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-fail { background: #fee2e2; color: #991b1b; }

.empty { text-align: center; padding: 40px 20px; color: #9ca3af; }

@media (max-width: 480px) {
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
    .topbar nav a { margin-left: 10px; font-size: 0.88em; }
}