* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #000D25;
    --card: #0A1633;
    --card-2: #0F1E45;
    --text: #E6E9F2;
    --text-muted: #A3ACBF;
    --border: #213058;
    --ring: rgba(242, 47, 70, 0.35);
    --accent: #F22F46; /* Twilio red */
    --accent-600: #D91F37;
    --accent-700: #B81B30;
    --success: #2DD4BF;
    --warning: #FBBF24;
    --error: #F87171;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    padding: 32px 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(180deg, var(--card) 0%, #0A1633 60%, #09122C 100%);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 32px;
    backdrop-filter: saturate(120%);
}

h1 {
    text-align: center;
    color: var(--text);
    margin-bottom: 28px;
    font-size: 2.2rem;
    letter-spacing: 0.2px;
}

h2 {
    color: var(--text);
    margin-bottom: 14px;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 6px;
    font-size: 1.25rem;
}

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

select, textarea {
    width: 100%;
    padding: 12px 14px;
    background: #0C1A3B;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--ring);
    background: #0F214D;
}

textarea {
    resize: vertical;
    min-height: 110px;
}

button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-600) 100%);
    color: white;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.2s ease;
    width: 100%;
    letter-spacing: 0.3px;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(242, 47, 70, 0.35);
    filter: brightness(1.03);
}

.status-section {
    margin-top: 28px;
    padding: 18px;
    background: #0C1A3B;
    border-radius: 10px;
    border: 1px solid var(--border);
}

#currentConfig p {
    margin-bottom: 10px;
    color: var(--text);
}

#currentConfig strong {
    color: var(--text-muted);
}

.instructions {
    margin-top: 28px;
    padding: 18px;
    background: #0B1736;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.instructions ol {
    padding-left: 20px;
}

.instructions li {
    margin-bottom: 8px;
    color: var(--text-muted);
}

#status {
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 700;
}

.status-ready {
    background: rgba(45, 212, 191, 0.15);
    color: var(--success);
}

.status-saving {
    background: rgba(251, 191, 36, 0.18);
    color: var(--warning);
}

.status-saved {
    background: rgba(45, 212, 191, 0.15);
    color: var(--success);
}

.status-error {
    background: rgba(248, 113, 113, 0.18);
    color: var(--error);
}

.call-section {
    margin-top: 28px;
    padding: 18px;
    background: #0C1C41;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.call-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: start;
}

@media (min-width: 900px) {
    .call-grid {
        grid-template-columns: 1fr 320px;
    }
}

.qr-card {
    background: #0B1736;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-inner {
    text-align: center;
}

.qr-fallback {
    color: var(--text-muted);
    font-size: 14px;
}

.qr-caption {
    margin-top: 10px;
    color: var(--text-muted);
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
}

.tel-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.tel-link:hover {
    text-decoration: underline;
}

input[type="text"], input[type="tel"] {
    width: 100%;
    padding: 12px 14px;
    background: #0C1A3B;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input[type="text"]::placeholder, input[type="tel"]::placeholder {
    color: #7D88A6;
}

input[type="text"]:focus, input[type="tel"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--ring);
    background: #0F214D;
}

small {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 6px;
    display: block;
}

.call-status {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 8px;
    font-weight: 700;
    display: none;
}

.call-status.calling {
    background: rgba(251, 191, 36, 0.18);
    color: var(--warning);
    display: block;
}

.call-status.success {
    background: rgba(45, 212, 191, 0.15);
    color: var(--success);
    display: block;
}

.call-status.error {
    background: rgba(248, 113, 113, 0.18);
    color: var(--error);
    display: block;
}

#callButton:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.elevenlabs-options {
    background: #0B1736;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    margin-top: 15px;
}

.elevenlabs-options h4 {
    color: var(--text);
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
}

.voice-setting {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 10px;
}

.voice-setting label {
    min-width: 120px;
    margin-bottom: 0;
}

.voice-setting input[type="range"] {
    flex: 1;
    max-width: 200px;
}

.voice-setting span {
    min-width: 30px;
    font-weight: 600;
    color: #4a5568;
}

.voice-setting select {
    flex: 1;
    max-width: 200px;
}