/* ESP32 SIP Phone - Web Interface Styles */

:root {
    --primary: #2196F3;
    --primary-dark: #1976D2;
    --success: #4CAF50;
    --danger: #f44336;
    --warning: #FF9800;
    --bg: #f5f5f5;
    --card-bg: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --border: #e0e0e0;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

header {
    background: var(--primary);
    color: white;
    padding: 1rem;
    text-align: center;
}

header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

#status-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
}

.status-item {
    background: rgba(255,255,255,0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
}

nav {
    display: flex;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.nav-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-btn:hover {
    background: var(--bg);
}

.nav-btn.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    font-weight: 500;
}

main {
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.card h3 {
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
    color: var(--text);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.9rem;
}

input[type="text"],
input[type="password"],
input[type="number"] {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
}

.input-with-button input {
    flex: 1;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: normal;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.button-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Volume Control */
.volume-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

.volume-control input[type="range"] {
    flex: 1;
}

/* Device List */
.device-list {
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-top: 0.5rem;
}

.device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.device-item:last-child {
    border-bottom: none;
}

.device-info {
    flex: 1;
}

.device-name {
    font-weight: 500;
}

.device-address {
    font-size: 0.8rem;
    color: var(--text-light);
    font-family: monospace;
}

.device-actions {
    display: flex;
    gap: 0.5rem;
}

.device-actions .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
}

.no-devices {
    padding: 1rem;
    text-align: center;
    color: var(--text-light);
    font-style: italic;
}

/* Scan Results */
.scan-results {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 1rem;
}

.scan-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.scan-item:hover {
    background: var(--bg);
}

.scan-item:last-child {
    border-bottom: none;
}

.scan-rssi {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Call Info */
#call-info {
    margin-bottom: 1rem;
}

#call-state {
    font-size: 1.1rem;
    font-weight: 500;
}

#call-remote {
    font-size: 1.25rem;
    margin: 0.5rem 0;
}

#call-duration {
    color: var(--text-light);
}

/* Utilities */
.hidden {
    display: none !important;
}

.hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Status Colors */
.status-connected {
    color: var(--success);
}

.status-disconnected {
    color: var(--danger);
}

.status-pending {
    color: var(--warning);
}

/* Responsive */
@media (max-width: 480px) {
    header h1 {
        font-size: 1.25rem;
    }

    .nav-btn {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    main {
        padding: 0.5rem;
    }

    .card {
        padding: 1rem;
    }
}