/**
 * Tools page styles
 *
 * Uses theme CSS variables for dark/light theming.
 * Classes prefixed with .tool- to avoid collisions.
 */

/* Tool container box */
.tool-box {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 1.5rem;
}
@media (min-width: 768px) {
    .tool-box {
        padding: 2rem;
    }
}

/* Dropzone */
.tool-dropzone {
    border: 2px dashed var(--color-border-strong);
    border-radius: 0.75rem;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--duration-ui) var(--ease-out),
                background-color var(--duration-ui) var(--ease-out);
    position: relative;
}
.tool-dropzone:hover,
.tool-dropzone.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}
.tool-dropzone--small {
    padding: 1.5rem 1rem;
}
.tool-dropzone-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}
.tool-dropzone-inner button {
    pointer-events: auto;
}

/* File info bar */
.tool-file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-top: 0.75rem;
}
.tool-file-name {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.tool-file-size {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}
.tool-file-remove {
    color: var(--color-text-subtle);
    cursor: pointer;
    flex-shrink: 0;
    transition: color var(--duration-micro) ease;
}
.tool-file-remove:hover {
    color: #ef4444;
}

/* Textarea */
.tool-textarea {
    width: 100%;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 1rem;
    color: var(--color-text-secondary);
    font-family: 'DM Sans', ui-monospace, monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--duration-ui) var(--ease-out);
}
.tool-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Inputs */
.tool-input {
    width: 100%;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.625rem 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    transition: border-color var(--duration-ui) var(--ease-out);
}
.tool-input:focus {
    outline: none;
    border-color: var(--color-accent);
}
.tool-select {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.625rem 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
}
.tool-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Buttons */
.tool-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: 0.625rem;
    border: none;
    cursor: pointer;
    transition: transform var(--duration-micro) var(--ease-out),
                box-shadow var(--duration-ui) var(--ease-out);
}
.tool-btn-primary:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}
.tool-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.tool-btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: color var(--duration-micro) ease,
                border-color var(--duration-micro) ease;
}
.tool-btn-sm:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

/* Output area */
.tool-output-pre {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 1rem;
    color: var(--color-text-secondary);
    font-family: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Validation results */
.tool-valid {
    background: var(--color-accent-secondary-subtle);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 0.5rem;
    padding: 1rem;
    color: #22c55e;
}
.tool-invalid {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.5rem;
    padding: 1rem;
    color: #ef4444;
}
.tool-warning {
    background: rgba(234, 179, 8, 0.08);
    border: 1px solid rgba(234, 179, 8, 0.3);
    border-radius: 0.5rem;
    padding: 1rem;
    color: #eab308;
}
.validation-issue {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}
.validation-issue .issue-line {
    color: var(--color-text-muted);
    font-family: ui-monospace, monospace;
    font-size: 0.75rem;
}

/* Calculator result cards */
.calc-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
}
.calc-card-value {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}
.calc-card-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Merge file list */
.merge-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}
.merge-file-item .merge-order {
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* Status messages */
.tool-status-success { color: #22c55e; }
.tool-status-error   { color: #ef4444; }
.tool-status-info    { color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 640px) {
    .tool-box {
        padding: 1rem;
    }
    .tool-dropzone {
        padding: 1.5rem 1rem;
    }
    .tool-output-pre {
        max-height: 300px;
        font-size: 0.75rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .tool-btn-primary:hover {
        transform: none;
    }
    .tool-dropzone,
    .tool-textarea,
    .tool-input,
    .tool-btn-primary,
    .tool-btn-sm {
        transition-duration: 0.01ms;
    }
}