/* Doalog Voice Bot - Red, Black & White Theme */

:root {
    --primary-red: #dc3545;
    --dark-red: #c82333;
    --light-red: #f8d7da;
    --pure-black: #000000;
    --dark-gray: #212529;
    --medium-gray: #6c757d;
    --light-gray: #f8f9fa;
    --pure-white: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--pure-white);
    color: var(--pure-black);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0 !important;
    padding: 0 !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--pure-black);
    margin-bottom: 0.5rem;
}

p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

/* Header */
.navbar {
    background: var(--pure-white) !important;
    border-bottom: 3px solid var(--primary-red);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    position: relative;
}

.navbar .container {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 15px 20px !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--pure-black) !important;
}

.navbar-brand i {
    color: var(--primary-red);
    margin-right: 0.5rem;
}

/* Cards */
.card {
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background: var(--pure-white);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-red);
}

.card-header {
    background: var(--primary-red) !important;
    color: var(--pure-white) !important;
    border: none !important;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 2rem;
}

/* Voice Status */
.voice-status {
    padding: 2rem;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    color: var(--pure-white);
    margin: 1rem 0;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.voice-status.speaking {
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    animation: pulse 2s infinite;
    border-color: var(--pure-white);
}

.voice-status.listening {
    background: linear-gradient(135deg, var(--dark-gray), var(--medium-gray));
    animation: pulse 1.5s infinite;
    border-color: var(--primary-red);
}

.voice-status.ready {
    background: linear-gradient(135deg, var(--medium-gray), var(--dark-gray));
    border-color: var(--primary-red);
}

.voice-status.error {
    background: linear-gradient(135deg, var(--primary-red), #e74c3c);
    border-color: var(--pure-white);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.voice-status i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.voice-status p {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
    color: var(--pure-white);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Start Conversation Button */
.btn-success {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--pure-white);
}

.btn-success:hover {
    background: var(--pure-black);
    border-color: var(--pure-black);
    color: var(--pure-white);
}

.btn-success:active,
.btn-success:focus {
    background: var(--pure-black);
    border-color: var(--pure-black);
    color: var(--pure-white);
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.25);
}

/* Control Buttons (Mute, Stop, Restart) */
.btn-outline-warning,
.btn-outline-danger,
.btn-outline-primary {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--pure-white);
}

.btn-outline-warning:hover,
.btn-outline-danger:hover,
.btn-outline-primary:hover {
    background: var(--pure-black);
    border-color: var(--pure-black);
    color: var(--pure-white);
}

.btn-outline-warning:active,
.btn-outline-warning:focus,
.btn-outline-danger:active,
.btn-outline-danger:focus,
.btn-outline-primary:active,
.btn-outline-primary:focus {
    background: var(--pure-black);
    border-color: var(--pure-black);
    color: var(--pure-white);
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.25);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Form Controls */
.form-select {
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--pure-white);
    color: var(--pure-black);
}

.form-select:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--pure-black);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* Badges */
.badge {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-success {
    background: var(--primary-red) !important;
    color: var(--pure-white);
}

.badge.bg-warning {
    background: var(--dark-gray) !important;
    color: var(--pure-white);
}

.badge.bg-info {
    background: var(--medium-gray) !important;
    color: var(--pure-white);
}

.badge.bg-secondary {
    background: var(--medium-gray) !important;
    color: var(--pure-white);
}

/* Alerts */
.alert {
    border: 2px solid;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: var(--light-red);
    border-color: var(--primary-red);
    color: var(--dark-red);
}

.alert-info {
    background: var(--light-gray);
    border-color: var(--medium-gray);
    color: var(--dark-gray);
}

/* Progress */
.progress {
    height: 8px;
    border-radius: 10px;
    background: var(--light-gray);
    overflow: hidden;
}

.progress-bar {
    background: var(--primary-red);
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* Audio Level */
.audio-level-container {
    width: 100%;
    height: 20px;
    background: var(--light-gray);
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--light-gray);
}

.audio-level-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-red), var(--dark-red));
    width: 0%;
    transition: width 0.1s ease;
    border-radius: 8px;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--pure-white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Hover Effects */
.card:hover .card-header {
    background: var(--dark-red) !important;
}

.btn:hover i {
    transform: scale(1.1);
}

/* Status Changes */
.status-change {
    animation: statusChange 0.5s ease;
}

@keyframes statusChange {
    0% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .voice-status {
        padding: 1.5rem;
    }
    
    .voice-status i {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .card-body {
        padding: 1rem;
    }
    
    .voice-status {
        padding: 1rem;
    }
    
    .voice-status i {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}

/* Accessibility */
.btn:focus,
.form-select:focus {
    outline: 2px solid var(--primary-red);
    outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-red);
}

/* Font Awesome Icons */
.fas, .far, .fab {
    transition: var(--transition);
}

.btn:hover .fas,
.btn:hover .far,
.btn:hover .fab {
    transform: scale(1.1);
}

/* Instructions Section */
.card .card-body h6 {
    color: var(--primary-red);
    font-weight: 600;
    font-size: 1.1rem;
}

.card .card-body h6 i {
    color: var(--primary-red);
    margin-right: 0.5rem;
}

/* Voice Description */
#voiceDescription {
    color: var(--medium-gray);
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Smooth Transitions */
* {
    transition: var(--transition);
}

/* Ensure consistent white background */
body {
    background: var(--pure-white) !important;
}

.container-fluid {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Center only the main voice interface, keep header at top */
.container.mt-4 {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 120px); /* Account for header height */
}

.row.justify-content-center {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.col-lg-8.col-md-10 {
    display: flex;
    justify-content: center;
}

/* Override any dark mode styles */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--pure-white) !important;
        color: var(--pure-black) !important;
    }
    
    .card {
        background: var(--pure-white) !important;
        border-color: var(--light-gray) !important;
    }
    
    .form-select {
        background: var(--pure-white) !important;
        color: var(--pure-black) !important;
        border-color: var(--light-gray) !important;
    }
}