/* AI Grammar Checker - Custom Styles */

:root {
    --error-spelling: #ff6b6b;
    --error-spelling-bg: rgba(255, 107, 107, 0.2);
    --error-grammar: #feca57;
    --error-grammar-bg: rgba(254, 202, 87, 0.2);
    --error-punctuation: #48dbfb;
    --error-punctuation-bg: rgba(72, 219, 251, 0.2);
    --error-style: #ff9ff3;
    --error-style-bg: rgba(255, 159, 243, 0.2);
    --error-clarity: #54a0ff;
    --error-clarity-bg: rgba(84, 160, 255, 0.2);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    margin-bottom: 0.5rem;
}

/* API Key Section */
#api-key-section {
    margin-bottom: 2rem;
}

.api-key-content {
    padding: 1rem 0;
}

.api-key-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.api-key-actions button {
    width: auto;
}

#api-key-status {
    display: block;
    margin-top: 0.5rem;
}

#api-key-status.success {
    color: var(--pico-ins-color);
}

#api-key-status.error {
    color: var(--pico-del-color);
}

/* Editor Section */
.editor-container {
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    padding: 1.5rem;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.editor-header h3 {
    margin: 0;
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.editor-actions button {
    margin: 0;
    width: auto;
}

#text-input {
    min-height: 300px;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
}

.text-output {
    min-height: 300px;
    padding: 1rem;
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    background: var(--pico-background-color);
    font-size: 1rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-y: auto;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error Highlights */
.grammar-error {
    position: relative;
    cursor: pointer;
    border-radius: 2px;
    padding: 0 2px;
    margin: 0 -2px;
    transition: background-color 0.2s;
}

.grammar-error:hover {
    filter: brightness(0.9);
}

/* Underline style */
.grammar-error::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 1px;
}

/* Error type colors */
.error-spelling {
    background-color: var(--error-spelling-bg);
}
.error-spelling::after {
    background-color: var(--error-spelling);
}

.error-grammar {
    background-color: var(--error-grammar-bg);
}
.error-grammar::after {
    background-color: var(--error-grammar);
}

.error-punctuation {
    background-color: var(--error-punctuation-bg);
}
.error-punctuation::after {
    background-color: var(--error-punctuation);
}

.error-style {
    background-color: var(--error-style-bg);
}
.error-style::after {
    background-color: var(--error-style);
}

.error-clarity {
    background-color: var(--error-clarity-bg);
}
.error-clarity::after {
    background-color: var(--error-clarity);
}

/* Tooltip */
.tooltip {
    position: fixed;
    z-index: 1000;
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    max-width: 350px;
    min-width: 250px;
}

.tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--pico-muted-border-color);
}

.tooltip-type {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tooltip-type.spelling { color: var(--error-spelling); }
.tooltip-type.grammar { color: var(--error-grammar); }
.tooltip-type.punctuation { color: var(--error-punctuation); }
.tooltip-type.style { color: var(--error-style); }
.tooltip-type.clarity { color: var(--error-clarity); }

.tooltip-content {
    margin-bottom: 1rem;
}

.tooltip-message {
    margin-bottom: 0.75rem;
    color: var(--pico-color);
}

.tooltip-suggestion {
    background: var(--pico-muted-color);
    background: rgba(128, 128, 128, 0.1);
    padding: 0.5rem 0.75rem;
    border-radius: calc(var(--pico-border-radius) / 2);
    font-size: 0.9rem;
}

.tooltip-suggestion-text {
    color: var(--pico-ins-color);
    font-weight: 500;
}

.tooltip-actions {
    display: flex;
    gap: 0.5rem;
}

.tooltip-actions button {
    flex: 1;
    margin: 0;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Results Section */
.results-card {
    margin-top: 2rem;
}

#results-summary {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--pico-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--pico-muted-color);
}

#issues-list {
    max-height: 400px;
    overflow-y: auto;
}

.issue-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--pico-background-color);
    border-radius: calc(var(--pico-border-radius) / 2);
    border-left: 4px solid;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.issue-item:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.issue-item.spelling { border-left-color: var(--error-spelling); }
.issue-item.grammar { border-left-color: var(--error-grammar); }
.issue-item.punctuation { border-left-color: var(--error-punctuation); }
.issue-item.style { border-left-color: var(--error-style); }
.issue-item.clarity { border-left-color: var(--error-clarity); }

.issue-type-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
}

.issue-type-badge.spelling { background: var(--error-spelling-bg); color: var(--error-spelling); }
.issue-type-badge.grammar { background: var(--error-grammar-bg); color: var(--error-grammar); }
.issue-type-badge.punctuation { background: var(--error-punctuation-bg); color: var(--error-punctuation); }
.issue-type-badge.style { background: var(--error-style-bg); color: var(--error-style); }
.issue-type-badge.clarity { background: var(--error-clarity-bg); color: var(--error-clarity); }

.issue-content {
    flex: 1;
}

.issue-text {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.issue-message {
    font-size: 0.875rem;
    color: var(--pico-muted-color);
}

/* Legend */
#legend-section article {
    margin-top: 2rem;
}

#legend-section h4 {
    margin-bottom: 1rem;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.legend-color.error-spelling { background: var(--error-spelling); }
.legend-color.error-grammar { background: var(--error-grammar); }
.legend-color.error-punctuation { background: var(--error-punctuation); }
.legend-color.error-style { background: var(--error-style); }
.legend-color.error-clarity { background: var(--error-clarity); }

/* Footer */
footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--pico-muted-border-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .editor-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .editor-actions {
        width: 100%;
    }

    .editor-actions button {
        flex: 1;
    }

    #results-summary {
        justify-content: center;
    }

    .legend {
        justify-content: center;
    }
}

/* Dismissed error style */
.grammar-error.dismissed {
    opacity: 0.4;
    text-decoration: line-through;
}

/* Accepted correction style */
.grammar-error.accepted {
    background-color: rgba(46, 204, 113, 0.2);
    border-color: #2ecc71;
}
.grammar-error.accepted::after {
    background-color: #2ecc71;
}