/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    /* Color Palette - Modern & Professional */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Neutral Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-input: #1e293b;

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Border & Shadow */
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

.counter-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.1rem 0.6rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    margin-left: 0.5rem;
    vertical-align: middle;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.today-badge {
    background: var(--success-color, #27ae60);
    font-size: 0.8rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a2332 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

/* ========================================
   Login Screen
   ======================================== */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-screen::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.login-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.login-form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.login-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.login-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.login-form input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary,
.btn-secondary,
.btn-small,
.btn-success {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-small {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    background: var(--primary-color);
    color: white;
}

.btn-small:hover {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.nav-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ========================================
   Main Application Layout
   ======================================== */
.main-app {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.header-left h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.company-name {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.header-right {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.user-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

/* ========================================
   Main Content Grid
   ======================================== */
.main-content {
    flex: 1;
    display: grid;
    grid-template-columns: 320px 1fr 420px;
    gap: 0;
    overflow: hidden;
    background: var(--bg-primary);
}

/* ========================================
   Dialog List Panel (Left)
   ======================================== */
.dialog-list-panel {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.tab-controls {
    display: flex;
    padding: var(--spacing-sm) var(--spacing-lg);
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.tab-btn:hover:not(.active) {
    background: var(--bg-hover);
}

.search-box {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.search-box input {
    width: 100%;
    padding: 0.65rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dialog-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.dialog-item {
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dialog-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.dialog-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.dialog-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.dialog-client {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.dialog-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.dialog-item-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.dialog-item-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.analyzed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.status-badge.saved {
    background: rgba(16, 185, 129, 0.4);
    color: #10b981;
    font-weight: 700;
}

.dialog-item.saved {
    border-left: 3px solid #10b981;
}

.company-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    margin-left: var(--spacing-xs);
}

/* ========================================
   Dialog View Panel (Center)
   ======================================== */
.dialog-view-panel {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dialog-navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.dialog-navigation h2 {
    flex: 1;
    text-align: center;
    font-size: 1.1rem;
}

.dialog-meta {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dialog-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.message {
    display: flex;
    margin-bottom: var(--spacing-lg);
    animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.client {
    justify-content: flex-start;
}

.message.manager {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
}

.message.client .message-content {
    background: var(--bg-secondary);
    border-bottom-left-radius: var(--spacing-xs);
}

.message.manager .message-content {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-bottom-right-radius: var(--spacing-xs);
}

.message-text {
    margin-bottom: var(--spacing-xs);
    word-wrap: break-word;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.message.manager .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.response-time {
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border-radius: var(--radius-sm);
}

/* ========================================
   Analysis Panel (Right)
   ======================================== */
.analysis-panel {
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.analysis-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.prompt-section {
    border-bottom: 1px solid var(--border-color);
}

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

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

.prompt-content,
.evaluation-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    transition: all var(--transition-base);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.ai-analysis {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.analysis-item {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.analysis-item label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analysis-value {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.analysis-value.probability {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

select {
    width: 100%;
    padding: 0.65rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.training-status {
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.85rem;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
    display: none;
}

.error-message.show {
    display: block;
}

.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 280px 1fr 380px;
    }
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 260px 1fr 360px;
    }
}

@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .dialog-list-panel,
    .analysis-panel {
        display: none;
    }
}

/* Category Selection Styles */
.category-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.block-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #8899a6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 0;
}

.block-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.category-btn {
    padding: 5px 10px;
    border: 1px solid var(--cat-color, #555);
    border-radius: 6px;
    background: transparent;
    color: var(--cat-color, #ccc);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.category-btn:hover {
    background: color-mix(in srgb, var(--cat-color) 20%, transparent);
}

.category-btn.selected {
    background: var(--cat-color, #555);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 0 8px color-mix(in srgb, var(--cat-color) 40%, transparent);
}

.category-content {
    padding: 12px;
}