/* Linear.app 테마 시스템 통합 */

/* Import Linear theme variables and base styles */
@import url('linear-theme.css');

/* Override/extend Linear theme for PDF tools */
:root {
    /* Keep existing Linear variables and add tool-specific ones */
    --tool-icon-size: 32px;
    --tool-grid-gap: var(--spacing-6);
}

/* Tool-specific styles that extend Linear theme */
.tool-card {
    /* Inherit from .linear-card and add tool-specific behaviors */
    transition: transform var(--transition-duration-normal) var(--transition-easing),
                box-shadow var(--transition-duration-normal) var(--transition-easing);
}

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

.tool-icon {
    width: var(--tool-icon-size);
    height: var(--tool-icon-size);
    margin-bottom: var(--spacing-3);
    color: var(--color-primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme='dark'] .tool-icon {
    color: var(--color-primary-400);
}

/* Tools grid layout using Linear grid system */
.tools-section {
    margin: var(--spacing-12) 0;
}

/* PDF-specific tool styling */
.pdf-tool-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-8);
}

.file-upload-area {
    border: 2px dashed var(--color-neutral-300);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-8);
    text-align: center;
    background-color: var(--color-neutral-50);
    transition: all var(--transition-duration-normal) var(--transition-easing);
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--color-primary-400);
    background-color: var(--color-primary-50);
}

.file-upload-area.dragover {
    border-color: var(--color-primary-500);
    background-color: var(--color-primary-50);
}

[data-theme='dark'] .file-upload-area {
    border-color: var(--color-border);
    background-color: var(--color-surface);
}

[data-theme='dark'] .file-upload-area:hover,
[data-theme='dark'] .file-upload-area.dragover {
    border-color: var(--color-primary-400);
    background-color: rgba(124, 58, 237, 0.1);
}

/* Progress indicators */
.progress-container {
    margin: var(--spacing-4) 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-neutral-200);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-primary-500);
    border-radius: var(--border-radius-full);
    transition: width var(--transition-duration-normal) var(--transition-easing);
}

[data-theme='dark'] .progress-bar {
    background-color: var(--color-border);
}

/* Alert/notification styles using Linear semantic colors */
.alert {
    padding: var(--spacing-4);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-4) 0;
    border: 1px solid;
}

.alert-success {
    background-color: var(--color-success-50);
    border-color: var(--color-success-500);
    color: var(--color-success-600);
}

.alert-error {
    background-color: var(--color-error-50);
    border-color: var(--color-error-500);
    color: var(--color-error-600);
}

.alert-warning {
    background-color: var(--color-warning-50);
    border-color: var(--color-warning-500);
    color: var(--color-warning-600);
}

.alert-info {
    background-color: var(--color-info-50);
    border-color: var(--color-info-500);
    color: var(--color-info-600);
}

/* Dark mode alert variants */
[data-theme='dark'] .alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border-color: var(--color-success-500);
    color: var(--color-success-400);
}

[data-theme='dark'] .alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error-500);
    color: var(--color-error-400);
}

[data-theme='dark'] .alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning-500);
    color: var(--color-warning-400);
}

[data-theme='dark'] .alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info-500);
    color: var(--color-info-400);
}

.linear-navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.linear-navbar-utilities {
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
}