:root {
    --primary: #5865F2;
    --primary-dark: #4752C4;
    --secondary: #2C2F33;
    --bg-dark: #202225;
    --bg-darker: #1e1f22;
    --bg-card: #2f3136;
    --bg-hover: #35393f;
    --border: #202225;
    --text-primary: #f2f3f5;
    --text-secondary: #b5bac1;
    --text-tertiary: #72767d;
    --success: #43b581;
    --danger: #f04747;
    --warning: #faa61a;
    --info: #00b0f4;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.4);
    --transition: all 0.2s ease;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

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

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    background: var(--bg-dark);
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' result='noise' /%3E%3CfeColorMatrix in='noise' type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' fill='%23202225' filter='url(%23noiseFilter)' opacity='0.08'/%3E%3C/svg%3E");
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
    font-size: 14px;
    font-weight: 400;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, var(--bg-darker) 0%, rgba(30, 31, 34, 0.5) 100%);
    border-bottom: 1px solid var(--bg-card);
    padding: 0.75rem var(--spacing-xl);
    flex-shrink: 0;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: var(--spacing-lg);
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: var(--spacing-xs);
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ===== Navbar ===== */
.navbar {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-shrink: 0;
    order: 4;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-bottom: calc(var(--spacing-sm) + 3px);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.nav-link:hover i {
    transform: scale(1.1);
}

.nav-link:hover i {
    transform: scale(1.1);
}

.spacer {
    flex: 1;
}

/* ===== Status Indicator ===== */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(88, 101, 242, 0.1) 0%, rgba(88, 101, 242, 0.05) 100%);
    border: 1px solid rgba(88, 101, 242, 0.2);
    border-radius: 20px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--danger);
    animation: pulse 2s infinite;
}

.status-dot.active {
    background-color: var(--success);
}

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

.status-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== Main Wrapper ===== */
.main-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    width: 100%;
}

.left-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.right-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(88, 101, 242, 0.15);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: none;
    transition: var(--transition);
}

/* .card:hover {
    border-color: rgba(88, 101, 242, 0.3);
    box-shadow: none;
} */

.card.compact {
    background: var(--bg-card);
    border: 1px solid rgba(88, 101, 242, 0.15);
}

.card-header {
    background: linear-gradient(135deg, rgba(88, 101, 242, 0.1) 0%, transparent 100%);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid rgba(88, 101, 242, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title i {
    color: var(--primary);
}

/* ===== Configuration Section ===== */
.config-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.config-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.config-input-group {
    display: flex;
    gap: var(--spacing-md);
    flex-direction: column;
    align-items: stretch;
}

.config-input-group .input-field {
    width: 100%;
    min-height: 44px;
}

.btn-connect {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    white-space: nowrap;
    flex-shrink: 0;
    width: 100%;
}

.btn-connect:hover {
    filter: brightness(1.1);
    box-shadow: none;
}

.btn-connect:active {
    filter: brightness(0.95);
}

/* ===== Input Fields ===== */
.input-field {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(88, 101, 242, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(88, 101, 242, 0.05);
    box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.1);
}

.input-field::placeholder {
    color: var(--text-tertiary);
}

/* ===== Buttons ===== */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s ease, background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
}

.btn:hover {
    filter: brightness(1.1);
}

.btn:active {
    filter: brightness(0.95);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-secondary {
    background: rgba(88, 101, 242, 0.2);
    color: var(--primary);
    border: 1px solid rgba(88, 101, 242, 0.3);
}

.btn-danger {
    background: rgba(240, 71, 71, 0.8);
    color: white;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
}

/* ===== Controls ===== */
.controls-compact {
    padding: var(--spacing-md);
}

.btn-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.btn-row .btn {
    width: 100%;
}

/* ===== TTS Input ===== */
.tts-input {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tts-input .input-field {
    min-height: 44px;
    font-size: 0.95rem;
}

.tts-input .btn {
    width: 100%;
}

/* ===== Logs ===== */
.card-logs {
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.logs-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    max-height: 600px;
}

.log-entry {
    padding: var(--spacing-md) var(--spacing-md);
    background: var(--bg-darker);
    border-left: 3px solid var(--info);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.2s ease-out;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.log-level {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* .log-timestamp {
    color: var(--text-tertiary);
    flex-shrink: 0;
    font-weight: 500;
    min-width: 190px;
} */

.log-message {
    color: var(--text-secondary);
    word-break: break-word;
    flex: 1;
}

.log-success {
    border-left-color: var(--success);
    background: rgba(67, 181, 129, 0.05);
}

.log-success .log-level {
    background: rgba(67, 181, 129, 0.2);
    color: #5a9d5a;
}

.log-success .log-message {
    color: #5a9d5a;
}

.log-error {
    border-left-color: var(--danger);
    background: rgba(240, 71, 71, 0.05);
}

.log-error .log-level {
    background: rgba(240, 71, 71, 0.2);
    color: #c85555;
}

.log-error .log-message {
    color: #c85555;
}

.log-info {
    border-left-color: var(--info);
    background: rgba(0, 180, 244, 0.05);
}

.log-info .log-level {
    background: rgba(0, 180, 244, 0.2);
    color: #7ab0d4;
}

.log-info .log-message {
    color: #7ab0d4;
}

.log-warning {
    border-left-color: var(--warning);
    background: rgba(250, 166, 26, 0.05);
}

.log-warning .log-level {
    background: rgba(250, 166, 26, 0.2);
    color: #d49955;
}

.log-warning .log-message {
    color: #d49955;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: rgba(88, 101, 242, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(88, 101, 242, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
    }

    .config-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .navbar {
        gap: var(--spacing-sm);
        justify-content: flex-start;
        flex: 0;
        order: 3;
        width: 100%;
    }

    .nav-link span {
        display: none;
    }

    .nav-link {
        padding: var(--spacing-md);
    }

    .main-wrapper {
        padding: var(--spacing-md);
    }

    .btn-row {
        grid-template-columns: 1fr;
    }

    .config-section {
        grid-template-columns: 1fr;
    }

    .config-input-group {
        flex-direction: column;
    }

    .btn-connect {
        width: 100%;
        min-width: unset;
    }
}