/* Tools shared styles - migrated from frontend */

/* === _sections.css === */
/* Collapsible Section Styles */

.tool-section {
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.tool-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--c2-text);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--c2-transition-fast);
    text-align: left;
    font-family: inherit;
}

.tool-section-header:hover {
    background: rgba(137, 180, 250, 0.03);
}

.section-arrow {
    color: var(--c2-text-dim);
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.section-arrow.open {
    transform: rotate(180deg);
}

.tool-section-body {
    padding: 0 1.25rem 1.25rem;
}

@media (max-width: 768px) {
    .tool-section-header {
        padding: 0.75rem 1rem;
    }

    .tool-section-body {
        padding: 0 0.75rem 0.75rem;
    }
}


/* === _info-grid.css === */
/* Info Grid Styles */

.tool-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.6rem;
}

.tool-info-grid--single-col {
    grid-template-columns: 1fr;
}

.tool-info-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.4rem 0.6rem;
    background: var(--c2-bg-deep);
    border-radius: 4px;
    gap: 0.75rem;
}

.tool-info-label {
    font-size: 0.78rem;
    color: var(--c2-text-dim);
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex-shrink: 0;
}

.tool-info-value {
    font-size: 0.85rem;
    color: var(--c2-text);
    text-align: right;
    word-break: break-all;
}

@media (max-width: 768px) {
    .tool-info-grid {
        grid-template-columns: 1fr;
    }
}


/* === _upload-strip.css === */
/* Upload Strip */

.upload-strip {
    position: relative;
    max-width: 640px;
    margin: 0 auto 1.25rem;
    padding: 0.7rem 1.25rem;
    background: var(--c2-bg-surface);
    border: 1px dashed var(--c2-border);
    border-radius: var(--c2-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--c2-transition-fast);
}

.upload-strip:hover,
.upload-strip.drag-over {
    border-color: var(--c2-accent-blue);
    background: rgba(137, 180, 250, 0.03);
}

.upload-strip-label {
    font-size: 0.82rem;
    color: var(--c2-accent-blue);
    letter-spacing: 0.05em;
}

.upload-strip-sep {
    font-size: 0.75rem;
    color: var(--c2-text-dim);
}

.upload-strip-hint {
    font-size: 0.82rem;
    color: var(--c2-text-dim);
}


/* === _tool-page.css === */
/* Tool Page Layout Styles */

.tool-page {
    min-height: 100vh;
    padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: var(--c2-text);
    margin-bottom: 0.75rem;
}

.tool-header .accent {
    color: var(--c2-accent-blue);
}

.tool-subtitle {
    color: var(--c2-text-muted);
    font-size: 1.1rem;
}

.tool-form-wrapper {
    max-width: 640px;
    margin: 0 auto;
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    padding: 2.5rem;
}

@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 1.8rem;
    }

    .tool-form-wrapper {
        padding: 1.5rem;
    }
}


/* === _banners.css === */
/* Banner Styles */

.error-banner {
    background: rgba(255, 60, 60, 0.1);
    border: 1px solid rgba(255, 60, 60, 0.3);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.success-banner {
    background: rgba(137, 180, 250, 0.08);
    border: 1px solid rgba(137, 180, 250, 0.25);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: var(--c2-accent-blue);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.warning-banner {
    background: rgba(255, 180, 0, 0.1);
    border: 1px solid rgba(255, 180, 0, 0.3);
    border-radius: var(--c2-radius-md);
    padding: 0.75rem 1rem;
    color: #ffb400;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.loading-banner {
    text-align: center;
    padding: 0.75rem;
    color: var(--c2-accent-blue);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}


/* === _forms.css === */
/* Form Styles */

.form-group {
    margin-bottom: 1.25rem;
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--c2-text-muted);
    margin-bottom: 0.4rem;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--c2-bg-deep);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    color: var(--c2-text);
    font-family: var(--c2-font-mono, "JetBrains Mono", monospace);
    font-size: 0.9rem;
    transition: var(--c2-transition-fast);
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--c2-accent-blue);
    box-shadow: 0 0 0 2px rgba(137, 180, 250, 0.1);
}

.form-input::placeholder {
    color: var(--c2-text-dim);
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239999bb' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

select.form-input option {
    background: var(--c2-bg-deep);
    color: var(--c2-text);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-checkboxes {
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--c2-text-muted);
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--c2-accent-blue);
    cursor: pointer;
}

.upload-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}


/* === _buttons.css === */
/* Button Styles */

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: var(--c2-radius-md);
  font-weight: 500;
  text-decoration: none;
  transition: var(--c2-transition-normal);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background-color: transparent;
  color: var(--c2-accent-blue);
  border: 1px solid var(--c2-accent-blue);
}

.btn-primary:hover {
  background-color: var(--primary-glow);
  box-shadow: 0 0 20px rgba(137, 180, 250, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--c2-text-muted);
  border: 1px solid var(--c2-border);
}

.btn-secondary:hover {
  border-color: var(--c2-text-muted);
  color: var(--c2-text);
}


/* === _powered-by.css === */
/* Powered By Attribution Styles */

.powered-by {
    max-width: 900px;
    margin: 2rem auto 0;
    background: var(--c2-bg-surface);
    border: 1px solid var(--c2-border);
    border-radius: var(--c2-radius-md);
    padding: 1.5rem 2rem;
}

.powered-by-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.powered-by-label {
    font-size: 0.8rem;
    color: var(--c2-text-dim);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.powered-by-link {
    font-size: 1.1rem;
    color: var(--c2-accent-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--c2-transition-fast);
}

.powered-by-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 768px) {
    .powered-by {
        padding: 1.25rem 1.5rem;
    }
}