/* ================================
   Chat Match System Styles
   ================================ */

/* Landing Page */
.chat-match-landing {
    animation: fadeInUp 0.6s ease;
}

.hero-section {
    text-align: center;
    margin-bottom: 80px;
}

.hero-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    background: var(--primary-gradient);
    border-radius: 24px;
    display: grid;
    place-items: center;
    color: white;
    box-shadow: 0 12px 40px rgba(232, 111, 75, 0.3);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--warm-black);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--neutral-500);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--warm-black);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 13px;
    color: var(--neutral-500);
}

.step-divider {
    font-size: 24px;
    color: var(--neutral-300);
}

.btn-create-session {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(232, 111, 75, 0.3);
    transition: all var(--transition-base);
}

.btn-create-session:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 111, 75, 0.4);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(139, 157, 131, 0.15), rgba(139, 157, 131, 0.05));
    border-radius: 16px;
    display: grid;
    place-items: center;
    color: var(--sage);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--warm-black);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Use Cases */
.use-cases-section {
    margin-top: 80px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--warm-black);
    text-align: center;
    margin-bottom: 40px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.use-case-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: all var(--transition-base);
}

.use-case-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.use-case-emoji {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.use-case-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--warm-black);
    margin-bottom: 8px;
}

.use-case-item p {
    font-size: 13px;
    color: var(--neutral-600);
}

/* ================================
   Session Page
   ================================ */

.chat-match-session {
    animation: fadeInUp 0.6s ease;
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 24px;
}

.session-code-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.session-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--neutral-500);
}

.session-code-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    padding: 12px 20px;
    border-radius: 12px;
    border: 2px solid var(--burnt-orange);
}

.code-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--burnt-orange);
    letter-spacing: 2px;
}

.btn-copy,
.btn-share {
    background: white;
    border: 2px solid var(--neutral-200);
    border-radius: 10px;
    padding: 10px 16px;
    cursor: pointer;
    color: var(--warm-black);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-copy {
    padding: 8px;
    width: 36px;
    height: 36px;
}

.btn-copy:hover,
.btn-share:hover {
    border-color: var(--sage);
    background: rgba(139, 157, 131, 0.05);
}

/* Status Indicator */
.status-indicator {
    text-align: center;
    margin-bottom: 40px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--neutral-300);
}

.status-icon {
    margin-bottom: 16px;
}

.pulse-loader {
    width: 48px;
    height: 48px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--primary-gradient);
    animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

.status-text {
    font-size: 16px;
    color: var(--neutral-600);
    font-weight: 500;
}

/* Chat Columns */
.chat-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.chat-column {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    padding: 32px;
    border: 2px solid transparent;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: all var(--transition-base);
}

.chat-column.person-a {
    border-color: rgba(139, 157, 131, 0.3);
}

.chat-column.person-b {
    border-color: rgba(232, 111, 75, 0.3);
}

.column-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--neutral-100);
}

.person-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.person-a-icon {
    background: linear-gradient(135deg, rgba(139, 157, 131, 0.2), rgba(139, 157, 131, 0.1));
    color: var(--sage);
}

.person-b-icon {
    background: linear-gradient(135deg, rgba(232, 111, 75, 0.2), rgba(232, 111, 75, 0.1));
    color: var(--burnt-orange);
}

.column-header h3 {
    flex: 1;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--warm-black);
}

.status-badge {
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    background: var(--neutral-100);
    color: var(--neutral-600);
}

.status-badge.submitted {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--success);
}

/* Chat Form */
.chat-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--warm-black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-textarea {
    padding: 14px 16px;
    border: 2px solid var(--neutral-200);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    color: var(--warm-black);
    background: white;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--burnt-orange);
    box-shadow: 0 0 0 3px rgba(232, 111, 75, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 200px;
    font-family: inherit;
}

.char-count {
    font-size: 12px;
    color: var(--neutral-500);
    text-align: right;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(232, 111, 75, 0.3);
    transition: all var(--transition-base);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(232, 111, 75, 0.4);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Submitted Content */
.submitted-content {
    background: var(--neutral-50);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.submitted-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.submitted-avatar {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.submitted-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--warm-black);
    margin-bottom: 4px;
}

.submitted-time {
    font-size: 12px;
    color: var(--neutral-500);
}

.submitted-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--neutral-700);
    white-space: pre-wrap;
    margin-bottom: 16px;
}

.submitted-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--success);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

/* Analyze Section */
.analyze-section {
    margin-top: 40px;
}

.analyze-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    text-align: center;
    border: 2px dashed var(--burnt-orange);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.analyze-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: grid;
    place-items: center;
    color: white;
}

.analyze-card h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--warm-black);
    margin-bottom: 12px;
}

.analyze-card p {
    font-size: 16px;
    color: var(--neutral-600);
    margin-bottom: 32px;
}

.btn-analyze {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(232, 111, 75, 0.3);
    transition: all var(--transition-base);
}

.btn-analyze:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 111, 75, 0.4);
}

/* ================================
   Results Page
   ================================ */

.match-results-page {
    animation: fadeInUp 0.6s ease;
}

.results-header {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 48px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.match-score-circle {
    position: relative;
    flex-shrink: 0;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    transition: stroke-dashoffset 1s ease;
}

.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--burnt-orange);
}

.score-percent {
    font-size: 20px;
    color: var(--neutral-500);
}

.results-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--warm-black);
    margin-bottom: 8px;
}

.results-subtitle {
    font-size: 16px;
    color: var(--neutral-600);
}

/* Match Summary Grid */
.match-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

.summary-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.summary-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.summary-exact {
    border-color: rgba(16, 185, 129, 0.3);
}

.summary-similar {
    border-color: rgba(245, 158, 11, 0.3);
}

.summary-unique-a {
    border-color: rgba(139, 157, 131, 0.3);
}

.summary-unique-b {
    border-color: rgba(232, 111, 75, 0.3);
}

.summary-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.summary-exact .summary-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--success);
}

.summary-similar .summary-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    color: var(--warning);
}

.summary-unique-a .summary-icon {
    background: linear-gradient(135deg, rgba(139, 157, 131, 0.15), rgba(139, 157, 131, 0.05));
    color: var(--sage);
}

.summary-unique-b .summary-icon {
    background: linear-gradient(135deg, rgba(232, 111, 75, 0.15), rgba(232, 111, 75, 0.05));
    color: var(--burnt-orange);
}

.summary-content h3 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--warm-black);
    margin-bottom: 4px;
}

.summary-content p {
    font-size: 13px;
    color: var(--neutral-600);
}

/* Results Section */
.results-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.results-section .section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--warm-black);
    text-align: left;
}

.person-a-icon-small,
.person-b-icon-small {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 14px;
    font-weight: 700;
}

.person-a-icon-small {
    background: linear-gradient(135deg, rgba(139, 157, 131, 0.2), rgba(139, 157, 131, 0.1));
    color: var(--sage);
}

.person-b-icon-small {
    background: linear-gradient(135deg, rgba(232, 111, 75, 0.2), rgba(232, 111, 75, 0.1));
    color: var(--burnt-orange);
}

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

.match-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--neutral-50);
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.match-item:hover {
    transform: translateX(4px);
    border-color: var(--neutral-200);
}

.match-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-weight: 700;
    flex-shrink: 0;
}

.match-exact .match-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--success);
}

.match-similar .match-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    color: var(--warning);
}

.match-unique-a .match-icon {
    background: linear-gradient(135deg, rgba(139, 157, 131, 0.15), rgba(139, 157, 131, 0.05));
    color: var(--sage);
}

.match-unique-b .match-icon {
    background: linear-gradient(135deg, rgba(232, 111, 75, 0.15), rgba(232, 111, 75, 0.05));
    color: var(--burnt-orange);
}

.match-text {
    font-size: 15px;
    color: var(--warm-black);
    font-weight: 500;
}

.match-comparison {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.match-text-a {
    color: var(--sage);
}

.match-text-b {
    color: var(--burnt-orange);
}

.match-divider {
    color: var(--neutral-400);
    font-weight: 700;
}

/* Results Actions */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-action.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: 0 6px 20px rgba(232, 111, 75, 0.3);
}

.btn-action.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(232, 111, 75, 0.4);
}

.btn-action.btn-secondary {
    background: white;
    color: var(--warm-black);
    border: 2px solid var(--neutral-200);
}

.btn-action.btn-secondary:hover {
    border-color: var(--sage);
    background: rgba(139, 157, 131, 0.05);
}

/* ================================
   Responsive
   ================================ */

@media (max-width: 1024px) {
    .chat-columns {
        grid-template-columns: 1fr;
    }

    .hero-steps {
        flex-direction: column;
    }

    .step-divider {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .session-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .results-header {
        flex-direction: column;
        text-align: center;
    }

    .results-actions {
        flex-direction: column;
    }

    .btn-action {
        width: 100%;
        justify-content: center;
    }

    .match-summary-grid {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

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


.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 1050;
}
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}
.modal-dialog {
    position: relative;
    margin: 10% auto;
    max-width: 400px;
    z-index: 10;
}
.modal-content {
    background: #fff;
    border-radius: 0.5rem;
    padding: 1rem;
    position: relative;
}
.btn-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}


.submitted-text.blurred {
    filter: blur(6px);
    user-select: none;
    pointer-events: none;
    position: relative;
}

.submitted-text.blurred::after {
    content: "🔒 Hidden until analysis";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.75);
    color: #374151;
    font-weight: 500;
}


.use-case-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #f4f6f8;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb; /* primary */
    margin-bottom: 12px;
}

.use-case-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.75;
}

.use-case-item:hover .use-case-icon {
    background: #e0e7ff;
}