/*
 * upload.css — upload form styles for /upload page.
 *
 * Theme variables are provided by base.html inline <style> block;
 * this file only contains upload-specific form layout/styles.
 */

/* === Upload Container === */
.upload-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* === Type Selector Buttons === */
.type-selector {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.type-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.type-btn svg {
    width: 2rem;
    height: 2rem;
}

.type-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.type-btn.active {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
    color: var(--accent-color);
}

/* === Drop Zone === */
.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 3px dashed var(--border-color);
    border-radius: 1rem;
    padding: 3rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    margin-bottom: 1.5rem;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
}

.drop-zone svg {
    width: 4rem;
    height: 4rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.drop-zone p {
    color: var(--text-secondary);
    margin: 0;
}

.file-input {
    display: none;
}

/* === Form Groups === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
    font-family: inherit;
}

/* === Submit Button === */
.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    opacity: 0.9;
}

/* === Back Link === */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.back-link:hover {
    color: var(--accent-color);
}

.back-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* === Selected File Preview === */
.selected-file {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}

.selected-file svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--success-color);
}

.selected-file span {
    flex: 1;
    color: var(--text-primary);
    word-break: break-all;
}

.selected-file .remove-file {
    padding: 0.25rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.selected-file .remove-file:hover {
    color: #ef4444;
}