/* ============================================
   Word Counter Styles
   ============================================ */

/* Calculator Card */
.calculator-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.calculator-card .card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.tool-btn:hover {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

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

.tool-btn i {
    font-size: 0.75rem;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Textarea */
.textarea-wrapper {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.textarea-wrapper:focus-within {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.text-input {
    display: block;
    width: 100%;
    padding: 1.25rem;
    font-size: 1rem;
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.8;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: none;
    outline: none;
    resize: vertical;
    min-height: 250px;
}

.text-input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.textarea-footer {
    display: flex;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 1.5rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.stat-card.primary .stat-icon { background: rgba(6, 182, 212, 0.15); color: var(--brand-primary); }
.stat-card.success .stat-icon { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.stat-card.warning .stat-icon { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.stat-card.info .stat-icon { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 3px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
}

/* Time Grid */
.time-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.time-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.time-card.reading {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(6, 182, 212, 0.02) 100%);
    border-color: rgba(6, 182, 212, 0.2);
}

.time-card.speaking {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0.02) 100%);
    border-color: rgba(139, 92, 246, 0.2);
}

.time-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.time-card.reading .time-icon {
    background: rgba(6, 182, 212, 0.15);
    color: var(--brand-primary);
}

.time-card.speaking .time-icon {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.time-info {
    display: flex;
    flex-direction: column;
}

.time-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.time-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.time-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.metric-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-primary);
}

/* Readability Section */
.readability-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.readability-score-wrap {
    display: flex;
    align-items: center;
    gap: 20px;
}

.readability-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), #0891b2);
    flex-shrink: 0;
    transition: background 0.3s ease;
}

.readability-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
}

.readability-info {
    display: flex;
    flex-direction: column;
}

.readability-grade {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.readability-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.readability-bar-wrap {
    width: 100%;
}

.readability-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.readability-bar-fill {
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(90deg, #ef4444, #f59e0b, #22c55e, #06b6d4);
    transition: width 0.5s ease;
}

.readability-bar-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Keywords */
.keywords-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.kw-toggle-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.kw-toggle-btn:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

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

.keywords-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 400px;
    overflow-y: auto;
}

.keyword-row {
    display: grid;
    grid-template-columns: 30px 1fr 50px 60px 120px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    transition: border-color 0.15s ease;
}

.keyword-row:hover {
    border-color: var(--brand-primary);
}

.keyword-row .kw-rank {
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
    font-size: 0.75rem;
}

.keyword-row .kw-word {
    font-weight: 600;
    color: var(--text-primary);
}

.keyword-row .kw-count {
    font-weight: 700;
    color: var(--brand-primary);
    text-align: right;
}

.keyword-row .kw-density {
    font-weight: 600;
    color: var(--text-secondary);
    text-align: right;
    font-size: 0.8rem;
}

.keyword-row .kw-bar {
    height: 5px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.keyword-row .kw-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--brand-primary), #22d3ee);
}

.keywords-header {
    display: grid;
    grid-template-columns: 30px 1fr 50px 60px 120px;
    gap: 10px;
    padding: 8px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 4px;
}

.keywords-header span:nth-child(3),
.keywords-header span:nth-child(4) {
    text-align: right;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 30px;
    font-size: 0.9rem;
}

/* Export & Share */
.export-share-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.export-row {
    display: flex;
    justify-content: center;
}

.btn-export {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    max-width: 400px;
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-export:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.share-row { text-align: center; }

.share-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.share-btn.whatsapp { background-color: #25D366; }
.share-btn.twitter { background-color: #1DA1F2; }
.share-btn.facebook { background-color: #1877F2; }
.share-btn.linkedin { background-color: #0A66C2; }
.share-btn.telegram { background-color: #0088cc; }
.share-btn.copy { background-color: var(--gray-500); }

/* Info Box */
.info-box {
    padding: 1.25rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border-left: 4px solid var(--brand-primary);
}

.info-box:last-child { margin-bottom: 0; }

.info-box h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.info-box p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

/* FAQ */
.faq-item {
    padding: 1.25rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.faq-item:last-child { margin-bottom: 0; }

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.faq-answer {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575.98px) {
    .calculator-card {
        padding: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .time-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .toolbar {
        gap: 4px;
        padding: 8px;
    }

    .tool-btn {
        padding: 5px 8px;
        font-size: 0.75rem;
    }

    .toolbar-divider {
        display: none;
    }

    .keyword-row {
        grid-template-columns: 24px 1fr 40px 50px 80px;
        gap: 6px;
        padding: 6px 8px;
        font-size: 0.78rem;
    }

    .keywords-header {
        grid-template-columns: 24px 1fr 40px 50px 80px;
        gap: 6px;
        font-size: 0.65rem;
    }

    .readability-score-wrap {
        flex-direction: column;
        text-align: center;
    }

    .btn-export {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }

    .share-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}