/* ============================================================
   ADC Text Converter - Modern Widget Styles
   Matches Password Generator & IP Locator aesthetic (B2B/tech)
   ============================================================ */

/* --- CSS Variables (matching suite) --- */
:root {
    --adc-tc-primary: #2563eb;
    --adc-tc-primary-hover: #1d4ed8;
    --adc-tc-primary-light: #dbeafe;
    --adc-tc-bg: #f8fafc;
    --adc-tc-card-bg: #ffffff;
    --adc-tc-border: #e2e8f0;
    --adc-tc-text: #1e293b;
    --adc-tc-text-muted: #64748b;
    --adc-tc-text-light: #94a3b8;
    --adc-tc-success: #10b981;
    --adc-tc-radius: 8px;
    --adc-tc-radius-lg: 12px;
    --adc-tc-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --adc-tc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --adc-tc-transition: 0.2s ease;
}

/* --- Card Container --- */
.adc-tc-card {
    max-width: 640px;
    margin: 1.5rem auto;
    background: var(--adc-tc-card-bg);
    border: 1px solid var(--adc-tc-border);
    border-radius: var(--adc-tc-radius-lg);
    box-shadow: var(--adc-tc-shadow);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--adc-tc-text);
    line-height: 1.5;
    transition: box-shadow var(--adc-tc-transition);
}

.adc-tc-card:hover {
    box-shadow: var(--adc-tc-shadow-lg);
}

/* --- Card Header --- */
.adc-tc-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--adc-tc-border);
    background: var(--adc-tc-bg);
}

.adc-tc-card-icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
}

.adc-tc-card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--adc-tc-text);
}

.adc-tc-card-subtitle {
    margin: 0.1rem 0 0;
    font-size: 0.8rem;
    color: var(--adc-tc-text-muted);
}

/* --- Card Body --- */
.adc-tc-card-body {
    padding: 1.25rem 1.5rem;
}

/* --- Labels --- */
.adc-tc-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--adc-tc-text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

/* --- Input Textarea --- */
.adc-tc-input-group {
    margin-bottom: 1rem;
}

.adc-tc-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    border: 2px solid var(--adc-tc-border);
    border-radius: var(--adc-tc-radius);
    background: var(--adc-tc-bg);
    color: var(--adc-tc-text);
    outline: none;
    resize: vertical;
    transition: border-color var(--adc-tc-transition);
    box-sizing: border-box;
    min-height: 80px;
}

.adc-tc-textarea:focus {
    border-color: var(--adc-tc-primary);
}

.adc-tc-textarea::placeholder {
    color: var(--adc-tc-text-light);
}

/* --- Button Grid --- */
.adc-tc-btn-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.adc-tc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.65rem 0.5rem;
    font-size: 0.82rem;
    font-weight: 600;
    border: 2px solid var(--adc-tc-border);
    border-radius: var(--adc-tc-radius);
    background: var(--adc-tc-card-bg);
    color: var(--adc-tc-text);
    cursor: pointer;
    transition: all var(--adc-tc-transition);
    white-space: nowrap;
    line-height: 1.2;
}

.adc-tc-btn:hover {
    border-color: var(--adc-tc-primary);
    color: var(--adc-tc-primary);
    background: var(--adc-tc-primary-light);
    transform: translateY(-1px);
}

.adc-tc-btn:active {
    transform: translateY(0);
}

.adc-tc-btn-icon {
    font-size: 1rem;
    line-height: 1;
}

/* --- Per-button accent colors on hover --- */
.adc-tc-btn-slugify:hover {
    border-color: #8b5cf6;
    color: #7c3aed;
    background: #f5f3ff;
}

.adc-tc-btn-uppercase:hover {
    border-color: var(--adc-tc-primary);
    color: var(--adc-tc-primary);
    background: var(--adc-tc-primary-light);
}

.adc-tc-btn-lowercase:hover {
    border-color: #06b6d4;
    color: #0891b2;
    background: #ecfeff;
}

.adc-tc-btn-capitalize:hover {
    border-color: #f59e0b;
    color: #d97706;
    background: #fffbeb;
}

/* --- Output Group --- */
.adc-tc-output-group {
    margin-bottom: 0;
}

.adc-tc-output-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.adc-tc-output-field {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    border: 2px solid var(--adc-tc-border);
    border-radius: var(--adc-tc-radius);
    background: var(--adc-tc-bg);
    color: var(--adc-tc-text);
    outline: none;
    transition: border-color var(--adc-tc-transition);
    min-width: 0;
}

.adc-tc-output-field:focus {
    border-color: var(--adc-tc-primary);
}

.adc-tc-output-field::placeholder {
    color: var(--adc-tc-text-light);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.85rem;
}

/* --- Copy Button --- */
.adc-tc-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    border: 2px solid var(--adc-tc-border);
    border-radius: var(--adc-tc-radius);
    background: var(--adc-tc-card-bg);
    color: var(--adc-tc-text-muted);
    cursor: pointer;
    transition: all var(--adc-tc-transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.adc-tc-copy-btn:hover {
    border-color: var(--adc-tc-primary);
    color: var(--adc-tc-primary);
    background: var(--adc-tc-primary-light);
}

.adc-tc-copy-btn.copied {
    border-color: var(--adc-tc-success);
    color: #fff;
    background: var(--adc-tc-success);
}

.adc-tc-copy-btn.copied .adc-tc-copy-icon {
    animation: adc-tc-bounce 0.3s ease;
}

@keyframes adc-tc-bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }
}

/* --- Card Footer --- */
.adc-tc-card-footer {
    padding: 0.6rem 1.5rem;
    border-top: 1px solid var(--adc-tc-border);
    background: var(--adc-tc-bg);
    text-align: center;
}

.adc-tc-footer-text {
    font-size: 0.7rem;
    color: var(--adc-tc-text-light);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .adc-tc-card {
        margin: 1rem 0.5rem;
    }

    .adc-tc-card-header {
        padding: 1rem 1.25rem;
    }

    .adc-tc-card-body {
        padding: 1rem 1.25rem;
    }

    .adc-tc-card-footer {
        padding: 0.5rem 1.25rem;
    }

    .adc-tc-btn-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .adc-tc-card-header {
        flex-direction: column;
        text-align: center;
    }

    .adc-tc-card-title {
        font-size: 1rem;
    }

    .adc-tc-btn-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem;
    }

    .adc-tc-btn {
        font-size: 0.78rem;
        padding: 0.55rem 0.4rem;
    }

    .adc-tc-output-row {
        flex-direction: column;
    }

    .adc-tc-copy-btn {
        width: 100%;
        justify-content: center;
    }
}