/* --- Design System & CSS Variables --- */
:root {
    --bg-dark: #070a13;
    --bg-card: rgba(13, 20, 38, 0.45);
    --bg-card-hover: rgba(22, 32, 59, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Brand Accent Colors */
    --color-purple: #8b5cf6;
    --color-purple-glow: rgba(139, 92, 246, 0.15);
    --color-blue: #3b82f6;
    --color-blue-glow: rgba(59, 130, 246, 0.15);
    --color-emerald: #10b981;
    --color-emerald-glow: rgba(16, 185, 129, 0.15);
    --color-cyan: #00f2fe;
    
    --font-heading: 'Outfit', sans-serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* --- Background Glow Effects --- */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

.glow-bg.bg-purple {
    background: var(--color-purple);
    top: -200px;
    left: -200px;
}

.glow-bg.bg-cyan {
    background: var(--color-cyan);
    bottom: -200px;
    right: -200px;
}

/* --- Header --- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(7, 10, 19, 0.8);
    backdrop-filter: blur(12px);
    z-index: 10;
    position: relative;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.logo-box {
    background: linear-gradient(135deg, var(--color-purple), var(--color-emerald));
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

.logo-text-a1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo-title h1 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.agency-tag {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.nav-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-smooth);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid transparent;
}

.nav-back-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
}

/* --- Layout Container --- */
.app-container {
    display: grid;
    grid-template-columns: 320px 1fr 380px;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    flex: 1;
    z-index: 5;
    position: relative;
    max-height: calc(100vh - 80px);
    overflow: hidden;
}

@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 300px 1fr;
        max-height: none;
        overflow: auto;
    }
    .output-panel {
        grid-column: span 2;
        height: 500px !important;
    }
}

@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        padding: 1.5rem 1rem;
        gap: 1.25rem;
    }
    .task-panel, .chat-panel, .output-panel {
        grid-column: span 1;
    }
}

@media (max-width: 600px) {
    .app-header {
        padding: 1rem;
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    .nav-back-btn {
        width: 100%;
        justify-content: center;
    }
    .metrics-grid {
        grid-template-columns: 1fr !important;
        gap: 0.75rem !important;
    }
}

/* --- Glass Card Panels --- */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-icon.icon-purple { color: var(--color-purple); filter: drop-shadow(0 0 5px var(--color-purple-glow)); }
.panel-icon.icon-cyan { color: var(--color-cyan); filter: drop-shadow(0 0 5px rgba(0, 242, 254, 0.15)); }
.panel-icon.icon-emerald { color: var(--color-emerald); filter: drop-shadow(0 0 5px var(--color-emerald-glow)); }

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

/* --- Left Column: Tasks & Roster --- */
.task-panel {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.form-container {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

select {
    background: rgba(7, 10, 19, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-smooth);
}

select:focus {
    border-color: var(--color-purple);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

/* Button */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem;
    border-radius: 10px;
    border: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: #fff;
    width: 100%;
}

.btn-purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.btn-purple:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.btn-glow {
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
}

.btn-glow:hover {
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
}

.btn:disabled {
    background: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
    opacity: 0.5;
}

/* Agent Roster Roster */
.agent-roster {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    overflow-y: auto;
}

.agent-roster h3 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.agent-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    position: relative;
    transition: var(--transition-smooth);
}

.agent-card.active {
    background: rgba(139, 92, 246, 0.04);
    border-color: var(--color-purple);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.1);
}

.agent-card.active.working {
    animation: agentWorkingGlow 1s infinite alternate;
}

@keyframes agentWorkingGlow {
    from { border-color: rgba(139, 92, 246, 0.3); }
    to { border-color: var(--color-purple); }
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.bg-purple-avatar { background: rgba(139, 92, 246, 0.15); border: 1px solid rgba(139, 92, 246, 0.3); }
.bg-blue-avatar { background: rgba(59, 130, 246, 0.15); border: 1px solid rgba(59, 130, 246, 0.3); }
.bg-emerald-avatar { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }

.agent-meta {
    flex: 1;
    min-width: 0;
}

.agent-meta h4 {
    font-size: 0.8rem;
    font-weight: 600;
}

.agent-meta p {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agent-status-tag {
    font-size: 0.6rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    position: absolute;
    top: 10px;
    right: 12px;
}

.agent-card.active .agent-status-tag {
    color: var(--color-purple);
}

.agent-card.success-state {
    border-color: var(--color-emerald);
}

.agent-card.success-state .agent-status-tag {
    color: var(--color-emerald);
}

/* --- Middle Column: Collaboration Stream --- */
.chat-panel {
    display: flex;
    flex-direction: column;
}

.chat-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: rgba(0, 0, 0, 0.15);
}

.empty-state {
    margin: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    max-width: 240px;
}

.muted-icon {
    opacity: 0.3;
}

.empty-state p {
    font-size: 0.8rem;
    line-height: 1.45;
}

/* Internal Agent Thoughts block */
.thought-block {
    background: rgba(0, 0, 0, 0.2);
    border-left: 2px solid var(--color-purple);
    border-radius: 0 8px 8px 0;
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    line-height: 1.45;
    color: #c084fc;
    animation: thoughtSlideIn 0.3s ease-out forwards;
}

@keyframes thoughtSlideIn {
    from { opacity: 0; transform: translateX(-5px); }
    to { opacity: 1; transform: translateX(0); }
}

.thought-header {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.6rem;
    margin-bottom: 0.25rem;
    display: block;
    color: var(--text-muted);
}

/* Dialogue Messages */
.message-bubble {
    display: flex;
    gap: 0.85rem;
    max-width: 90%;
    animation: messageSlideIn 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

@keyframes messageSlideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-bubble.researcher { align-self: flex-start; }
.message-bubble.writer { align-self: flex-start; }
.message-bubble.editor { align-self: flex-start; }

.message-bubble .chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message-content-card {
    background: rgba(13, 20, 38, 0.6);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border-top-left-radius: 2px;
}

.message-bubble.researcher .message-content-card { border-color: rgba(139, 92, 246, 0.25); }
.message-bubble.writer .message-content-card { border-color: rgba(59, 130, 246, 0.25); }
.message-bubble.editor .message-content-card { border-color: rgba(16, 185, 129, 0.25); }

.message-header {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
    display: block;
}

.message-bubble.researcher .message-header { color: #c084fc; }
.message-bubble.writer .message-header { color: #60a5fa; }
.message-bubble.editor .message-header { color: #34d399; }

.message-text {
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--text-primary);
}

/* Typing Indicator */
.typing-bubble {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.6rem 0.85rem;
    border-radius: 12px;
    border-top-left-radius: 2px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1s infinite alternate;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-5px); }
}

/* --- Right Column: Workspace final output --- */
.output-panel {
    display: flex;
    flex-direction: column;
}

.output-body {
    flex: 1;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
}

.meta-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.stat-box {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
}

.stat-box .label {
    font-size: 0.6rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.stat-box .val {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
}

.editor-container {
    flex: 1;
    display: flex;
}

#workspace-textarea {
    flex: 1;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.5;
    padding: 1rem;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
}

#workspace-textarea:focus {
    border-color: var(--color-emerald);
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    padding: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background: rgba(7, 10, 19, 0.9);
    z-index: 10;
    position: relative;
}

/* Height-based Responsiveness for Short Screens */
@media (max-height: 768px) {
    .app-container {
        max-height: none;
        overflow: visible;
    }
}