* { box-sizing: border-box; }
body {
    font-family: -apple-system, Segoe UI, Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    margin: 0;
}
.navbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    background: #111827;
    border-bottom: 1px solid #1f2937;
}
.navbar .brand { font-weight: 700; margin-right: auto; }
.navbar a { color: #93c5fd; text-decoration: none; }
.container { max-width: 900px; margin: 0 auto; padding: 24px; }
.flash { background: #7c2d12; padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; }

.login-box, .dialer-card, .history-card {
    background: #1e293b;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}
.login-box input, .admin-form input, .admin-form select {
    display: block;
    width: 100%;
    padding: 10px;
    margin: 6px 0 16px;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #e2e8f0;
}
button {
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    font-weight: 600;
}
.dialer-wrapper { display: flex; flex-direction: column; gap: 20px; }
#number-input {
    width: 100%;
    font-size: 24px;
    text-align: center;
    padding: 14px;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #e2e8f0;
    margin-bottom: 16px;
}
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.key {
    background: #334155;
    color: #e2e8f0;
    font-size: 20px;
    padding: 16px 0;
    border-radius: 10px;
}
.key:active { background: #475569; }
.call-actions { display: flex; gap: 12px; }
.btn-call { background: #16a34a; color: white; flex: 1; padding: 14px; font-size: 16px; }
.btn-hangup { background: #dc2626; color: white; flex: 1; padding: 14px; font-size: 16px; }
.btn-call:disabled, .btn-hangup:disabled { opacity: 0.4; cursor: not-allowed; }

.status { text-align: center; padding: 8px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.status.online { background: #14532d; color: #86efac; }
.status.offline { background: #451a03; color: #fdba74; }

.incoming-panel { margin-top: 16px; text-align: center; }
.incoming-panel.hidden { display: none; }
.incoming-panel button { margin: 0 6px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid #334155; font-size: 14px; }