/* Global Styles & Variables */
:root {
    --bg-app: #090a0f;
    --bg-sidebar: #10121d;
    --bg-card: #16192b;
    --bg-card-hover: #1e223a;
    --bg-input: #121424;
    --bg-chat-assistant: #1f233b;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-sans: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-app);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Layout Container */
.app-container {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Sidebar Controls */
.sidebar {
    width: 320px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo i {
    color: var(--primary);
    -webkit-text-fill-color: initial;
    text-shadow: 0 0 15px var(--primary);
}

.sidebar-header .subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.config-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.config-section h3 {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 12px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-group.half {
    flex: 1;
}

.toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

/* Switch styling */
.switch-container {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch-container input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    transition: .3s;
    border-radius: 24px;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: .3s;
    border-radius: 50%;
}

.switch-container input:checked + .switch-slider {
    background-color: var(--primary);
    border-color: var(--primary);
}

.switch-container input:checked + .switch-slider:before {
    transform: translateX(20px);
    background-color: #fff;
}

.toggle-label {
    font-size: 0.85rem;
    color: var(--text-main);
}

/* Status Card */
.status-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
    background-color: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

.status-title {
    font-size: 0.85rem;
    font-weight: 600;
}

.status-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.status-details strong {
    color: var(--text-main);
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Main Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-app);
    position: relative;
}

.chat-header {
    height: 72px;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(9, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    z-index: 5;
}

.chat-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
    background-color: rgba(16, 185, 129, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.connection-status .status-dot {
    width: 6px;
    height: 6px;
}

.chat-actions button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.chat-actions button:hover {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
    background-color: rgba(239, 68, 68, 0.08);
}

/* Messages Area */
.messages-window {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message {
    display: flex;
    gap: 16px;
    max-width: 80%;
    animation: fadeIn 0.3s ease forwards;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.system {
    align-self: center;
    max-width: 90%;
    text-align: center;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, var(--primary) 0%, #a5b4fc 100%);
    color: var(--text-dark);
    border: none;
}

.message.system .message-avatar {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-color: rgba(99, 102, 241, 0.2);
}

.message-bubble {
    padding: 14px 18px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
}

.message.assistant .message-bubble {
    background-color: var(--bg-chat-assistant);
    border-top-left-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    border-top-right-radius: 4px;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.message.system .message-bubble {
    background-color: rgba(22, 25, 43, 0.4);
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
}

.message.system ul {
    text-align: left;
    margin-top: 10px;
    padding-left: 20px;
}

.message.system li {
    margin-bottom: 6px;
}

/* Inner elements in bubble */
.message-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.message.user .message-meta {
    color: rgba(255, 255, 255, 0.7);
    justify-content: flex-end;
}

.bubble-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-main);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.message.user .bubble-btn {
    background: rgba(0, 0, 0, 0.2);
    color: white;
}

.message.user .bubble-btn:hover {
    background: rgba(0, 0, 0, 0.4);
}

.bubble-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: scale(1.05);
}

.bubble-btn.playing {
    background: var(--success);
    color: white;
    animation: pulse-green 1.5s infinite;
}

.bubble-btn.loading i {
    animation: spin 1s linear infinite;
}

.btn-details {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.message.user .btn-details {
    color: rgba(255, 255, 255, 0.7);
}

.btn-details:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.message.user .btn-details:hover {
    background: rgba(0, 0, 0, 0.1);
    color: white;
}

/* Chat Footer / Input area */
.chat-footer {
    padding: 16px 24px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-app);
    border-top: 1px solid var(--border-color);
}

.action-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.action-btn:hover {
    color: var(--text-main);
    background-color: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.input-box {
    flex: 1;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4px 6px 4px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.input-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.input-box textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 8px 0;
    resize: none;
    outline: none;
    max-height: 120px;
}

.input-box textarea::placeholder {
    color: var(--text-muted);
}

.record-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.record-btn:hover {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    transform: scale(1.05);
}

.send-btn {
    background-color: var(--primary);
    border: none;
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.send-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 14px var(--primary-glow);
}

/* Recording Overlay */
.recording-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(9, 10, 15, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 20;
    animation: fadeIn 0.2s ease forwards;
}

.recording-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 32px;
    width: 90%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.stop-rec-btn {
    background-color: var(--danger);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 24px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.stop-rec-btn:hover {
    background-color: var(--danger-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.stop-rec-btn i {
    font-size: 1rem;
}

.recording-header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
    padding: 0 8px;
}

.recording-badge {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.recording-timer {
    font-family: monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

#waveform-canvas {
    width: 100%;
    height: 120px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.recording-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

/* Upload Drag-and-drop Overlay */
.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(99, 102, 241, 0.15);
    backdrop-filter: blur(4px);
    border: 3px dashed var(--primary);
    margin: 8px;
    border-radius: 16px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 30;
    pointer-events: none; /* Let drag events fall through */
}

.upload-card {
    background-color: var(--bg-card);
    padding: 24px 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-card i {
    font-size: 3rem;
    color: var(--primary);
    animation: bounce 2s infinite;
}

.upload-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.upload-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Modal details */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(9, 10, 15, 0.8);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    animation: fadeIn 0.2s ease forwards;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-summary {
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    border: 1px solid var(--border-color);
}

.modal-summary-item {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.modal-summary-item strong {
    color: var(--text-main);
    display: block;
    font-size: 1rem;
    margin-top: 4px;
}

.segment-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.segment-item {
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 12px;
    position: relative;
    overflow: hidden;
}

.segment-time {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--primary);
    margin-bottom: 4px;
    display: block;
}

.segment-text {
    font-size: 0.9rem;
    line-height: 1.4;
}

.segment-confidence {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: var(--success);
    opacity: 0.6;
}

/* Keyframes & Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-red {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); opacity: 0.5; }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); opacity: 1; }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); opacity: 0.5; }
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Responsive Rules */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .messages-window {
        padding: 16px;
    }
    .message {
        max-width: 90%;
    }
}