/* Twilio Browser Phone Frontend Styles - Mobile First */
.twp-browser-phone-container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-sizing: border-box;
}

.twp-browser-phone-container * {
    box-sizing: border-box;
}

.twp-browser-phone-container.compact {
    padding: 15px;
    max-width: 320px;
}

.twp-browser-phone-title {
    text-align: center;
    margin: 0 0 20px 0;
    color: #212529;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Connection Status */
.twp-connection-status {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
    border: 2px solid #e9ecef;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

.status-indicator.offline {
    background-color: #dc3545;
}

.status-indicator.connecting {
    background-color: #ffc107;
}

.status-indicator.online {
    background-color: #28a745;
    animation: none;
}

.status-text {
    font-weight: 600;
    color: #212529;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Phone Number Selection */
.twp-phone-selection {
    margin-bottom: 20px;
}

.twp-phone-selection label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #212529;
}

.twp-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    background: #fff;
    color: #212529;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.twp-select:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

/* Dial Pad */
.twp-dialpad {
    margin-bottom: 20px;
}

.twp-number-display {
    position: relative;
    margin-bottom: 20px;
}

#twp-dial-number {
    width: 100%;
    padding: 16px 50px 16px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 18px;
    text-align: center;
    background: #fff;
    letter-spacing: 2px;
}

#twp-dial-number:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

.twp-btn-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.twp-btn-clear:hover {
    background: #c82333;
}

/* Dial Grid */
.twp-dial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 280px;
    margin: 0 auto;
}

.twp-dial-btn {
    background: #fff;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 16px 8px;
    font-size: 20px;
    font-weight: 600;
    color: #212529;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.twp-dial-btn:hover {
    background: #f8f9fa;
    border-color: #007cba;
    transform: translateY(-1px);
}

.twp-dial-btn:active {
    transform: translateY(0);
    background: #e9ecef;
}

.twp-dial-btn span {
    font-size: 11px;
    color: #6c757d;
    margin-top: 2px;
    font-weight: 400;
}

/* Call Controls */
.twp-call-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.twp-btn {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 56px;
}

.twp-btn-primary {
    background: #28a745;
    color: white;
}

.twp-btn-primary:hover {
    background: #218838;
    transform: translateY(-1px);
}

.twp-btn-primary:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.twp-btn-danger {
    background: #dc3545;
    color: white;
}

.twp-btn-danger:hover {
    background: #c82333;
    transform: translateY(-1px);
}

.twp-btn-success {
    background: #007cba;
    color: white;
}

.twp-btn-success:hover {
    background: #005a87;
    transform: translateY(-1px);
}

/* Call Info */
.twp-call-info {
    background: #fff;
    padding: 16px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
    margin-bottom: 20px;
}

.call-timer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.timer-label {
    color: #6c757d;
    font-weight: 500;
}

.timer-value {
    font-size: 18px;
    font-weight: 600;
    color: #212529;
    font-family: 'Courier New', monospace;
}

.call-status {
    text-align: center;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 4px;
    color: #212529;
    font-weight: 600;
}

/* Queue Management Section */
.twp-queue-section {
    background: #fff;
    padding: 16px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
    margin-bottom: 20px;
}

.twp-queue-section h4 {
    margin: 0 0 16px 0;
    color: #212529;
    font-size: 1.1rem;
    text-align: center;
}

/* Queue List */
.twp-queue-list {
    margin-bottom: 16px;
}

.queue-loading,
.no-queues {
    text-align: center;
    color: #495057;
    font-style: italic;
    padding: 20px;
    font-weight: 500;
}

.no-queues {
    background: #f8f9fa;
    border: 2px dashed #e9ecef;
    border-radius: 8px;
}

.queue-item {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.queue-item:hover {
    border-color: #007cba;
    background: #e3f2fd;
}

.queue-item.selected {
    border-color: #007cba;
    background: #e3f2fd;
    box-shadow: 0 0 0 1px #007cba;
}

.queue-item.has-calls {
    border-left: 4px solid #28a745;
}

.queue-item.has-calls::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: #28a745;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.queue-name {
    font-weight: 600;
    color: #212529;
    margin-bottom: 4px;
}

.queue-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #495057;
}

.queue-waiting {
    font-weight: 500;
}

.queue-waiting.has-calls {
    color: #28a745;
    font-weight: 600;
}

.queue-capacity {
    font-size: 0.8rem;
}

/* Queue Controls */
.twp-queue-controls {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
    margin-top: 16px;
}

.selected-queue-info {
    margin-bottom: 16px;
    text-align: center;
}

.selected-queue-info h5 {
    margin: 0 0 8px 0;
    color: #212529;
    font-size: 1rem;
}

.queue-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    color: #495057;
}

.queue-stats span {
    font-weight: 500;
}

.queue-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.queue-actions .twp-btn {
    flex: 1;
    min-width: 80px;
}

/* Alert Toggle Button */
#twp-alert-toggle {
    position: relative;
}

#twp-alert-toggle.alert-on {
    background-color: #28a745 !important;
    border-color: #28a745;
    color: white;
}

#twp-alert-toggle.alert-off {
    background-color: #6c757d !important;
    border-color: #6c757d;
    color: white;
}

#twp-alert-toggle:hover {
    opacity: 0.8;
}

.twp-btn-secondary {
    background: #6c757d;
    color: white;
}

.twp-btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

/* Messages */
.twp-messages {
    margin-top: 16px;
}

.twp-error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #f5c6cb;
    margin-bottom: 16px;
}

.twp-success {
    background: #d4edda;
    color: #155724;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #c3e6cb;
    margin-bottom: 16px;
}

.twp-info {
    background: #d1ecf1;
    color: #0c5460;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #bee5eb;
    margin-bottom: 16px;
}

/* Responsive Design */
@media (max-width: 480px) {
    .twp-browser-phone-container {
        margin: 0;
        padding: 16px;
        border-radius: 0;
        max-width: none;
    }
    
    .twp-browser-phone-title {
        font-size: 1.3rem;
        margin-bottom: 16px;
    }
    
    .twp-dial-grid {
        gap: 8px;
        max-width: 240px;
    }
    
    .twp-dial-btn {
        padding: 12px 6px;
        min-height: 50px;
        font-size: 18px;
    }
    
    .twp-dial-btn span {
        font-size: 10px;
    }
    
    .twp-btn {
        padding: 14px 20px;
        font-size: 15px;
        min-height: 50px;
    }
    
    #twp-dial-number {
        font-size: 16px;
        padding: 14px 45px 14px 14px;
    }
}

@media (max-width: 320px) {
    .twp-dial-grid {
        max-width: 200px;
    }
    
    .twp-dial-btn {
        padding: 10px 4px;
        min-height: 45px;
        font-size: 16px;
    }
    
    /* Queue section mobile adjustments */
    .queue-stats {
        flex-direction: column;
        gap: 8px;
    }
    
    .queue-actions {
        flex-direction: column;
    }
    
    .queue-item {
        padding: 10px;
    }
    
    .queue-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .twp-browser-phone-container {
        background: #1a202c;
        color: #f7fafc;
    }
    
    .twp-connection-status,
    .twp-call-info,
    .twp-queue-controls,
    .twp-queue-section {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .twp-select,
    #twp-dial-number,
    .twp-dial-btn {
        background: #2d3748;
        border-color: #4a5568;
        color: #f7fafc;
    }
    
    .call-status {
        background: #1a202c;
        color: #f7fafc;
    }
    
    .queue-item {
        background: #2d3748;
        border-color: #4a5568;
        color: #f7fafc;
    }
    
    .queue-item:hover,
    .queue-item.selected {
        background: #4a5568;
        border-color: #63b3ed;
    }
    
    .queue-name,
    .status-text,
    .twp-phone-selection label,
    .twp-browser-phone-title,
    .twp-queue-section h4,
    .selected-queue-info h5,
    .timer-value {
        color: #f7fafc;
    }
    
    .twp-dial-btn {
        color: #f7fafc;
    }
    
    .queue-info,
    .queue-stats,
    .queue-loading,
    .no-queues {
        color: #cbd5e0;
    }
    
    .no-queues {
        background: #2d3748;
        border-color: #4a5568;
    }
}

/* Animation for incoming calls */
@keyframes incoming-call {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.twp-browser-phone-container.incoming-call {
    animation: incoming-call 1s ease-in-out infinite;
}

/* Loading state */
.twp-loading {
    opacity: 0.6;
    pointer-events: none;
}

.twp-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}