:root {
    --bg-main: #0a0d14;
    --bg-card: rgba(18, 24, 38, 0.75);
    --bg-card-hover: rgba(26, 34, 52, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #3b82f6;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.35);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.35);
    --warning: #f59e0b;
    --danger: #ef4444;
    --ai-purple: #8b5cf6;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    --font-ui: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-ui);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    max-width: 1700px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* HEADER */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}

.brand h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand h1 span {
    color: var(--primary);
}

.subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.header-badges {
    display: flex;
    gap: 12px;
}

.status-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-dim);
}

.pulse-dot.active {
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success-glow);
}

.pulse-dot.disconnected {
    background-color: var(--danger);
}

/* MAIN LAYOUT */
.main-content {
    display: grid;
    grid-template-columns: 460px 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* CARDS */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.badge {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary);
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
}

.badge.ai-badge {
    background: rgba(139, 92, 246, 0.15);
    color: var(--ai-purple);
}

/* LEFT PANEL */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* CLIENTS */
.clients-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 220px;
    overflow-y: auto;
}

.client-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 12px 14px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all 0.2s ease;
}

.client-item:hover, .client-item.selected {
    background: var(--bg-card-hover);
    border-color: var(--border-focus);
}

.client-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.client-meta {
    font-size: 11px;
    color: var(--text-muted);
}

.admin-tag {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.empty-state {
    text-align: center;
    padding: 24px 10px;
    color: var(--text-muted);
    font-size: 13px;
}

.empty-state code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary);
    font-family: var(--font-mono);
}

/* CHAT */
.chat-card {
    height: 520px;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-right: 6px;
    margin-bottom: 14px;
}

.chat-message {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 13.5px;
    line-height: 1.45;
}

.chat-message.system {
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--primary);
}

.chat-message.user {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    align-self: flex-end;
    max-width: 90%;
}

.chat-message.assistant {
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    align-self: flex-start;
    max-width: 95%;
}

.prompt-form {
    display: flex;
    gap: 10px;
}

.prompt-form textarea {
    flex: 1;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-main);
    font-family: var(--font-ui);
    font-size: 13.5px;
    resize: none;
    outline: none;
    transition: border 0.2s ease;
}

.prompt-form textarea:focus {
    border-color: var(--border-focus);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0 20px;
    font-family: var(--font-ui);
    font-size: 13.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.1s, filter 0.2s;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 14px;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* RIGHT PANEL */
.right-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* SCREEN VIEWER */
.screen-card {
    min-height: 480px;
}

.resolution-tag {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.screen-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.screen-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.screen-placeholder {
    text-align: center;
    color: var(--text-dim);
}

.screen-placeholder svg {
    margin-bottom: 12px;
    stroke: var(--text-dim);
}

/* LOGS */
.logs-card {
    height: 290px;
}

.logs-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.log-entry {
    background: rgba(0, 0, 0, 0.25);
    border-left: 2px solid var(--border-color);
    padding: 6px 10px;
    border-radius: 4px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.log-entry.thought {
    border-left-color: var(--ai-purple);
    background: rgba(139, 92, 246, 0.08);
}

.log-entry.tool {
    border-left-color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}

.log-entry.finish {
    border-left-color: var(--success);
    background: rgba(16, 185, 129, 0.08);
}

.log-time {
    color: var(--text-dim);
}

/* TOKEN HEADER BUTTON & MODAL */
.btn-token {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-family: var(--font-ui);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}
.btn-token:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: #3b82f6;
    color: white;
    transform: translateY(-1px);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 8, 15, 0.88);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-card {
    background: #111827;
    border: 1px solid rgba(59, 130, 246, 0.35);
    border-radius: 16px;
    width: 90%;
    max-width: 440px;
    padding: 26px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 30px rgba(59, 130, 246, 0.2);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.modal-icon {
    font-size: 26px;
    background: rgba(59, 130, 246, 0.15);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: #f3f4f6;
}

.modal-sub {
    font-size: 12px;
    color: var(--text-muted);
}

.modal-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.form-input-group input {
    width: 100%;
    background: #1f2937;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 14px;
    color: white;
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input-group input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.auth-error-msg {
    color: #f87171;
    font-size: 12px;
    font-weight: 500;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.25);
    padding: 8px 12px;
    border-radius: 8px;
}