.cas-usages {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

.cas-usages__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.cas-usages__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cas-usages__field label {
    font-weight: 600;
    color: #1f2937;
}

.cas-usages__field input,
.cas-usages__field select,
.cas-usages__field textarea {
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
    width: 100%;
}

.cas-usages__field input:focus,
.cas-usages__field select:focus,
.cas-usages__field textarea:focus {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
    outline: none;
}

.cas-usages__field textarea {
    min-height: 140px;
    resize: vertical;
}

.cas-usages__submit {
    padding: 12px 14px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #0ea5e9, #10b981);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.2s ease;
    align-self: flex-start;
    position: relative;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cas-usages__submit:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

.cas-usages__submit--loading {
    color: transparent;
}

.cas-usages__submit--loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 18px;
    height: 18px;
    margin-left: -9px;
    margin-top: -9px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-top-color: #fff;
    border-radius: 50%;
    animation: cas-usages-spin 0.8s linear infinite;
}

.cas-usages__submit:hover {
    box-shadow: 0 10px 24px rgba(16, 185, 129, 0.2);
}

.cas-usages__submit:active {
    transform: translateY(1px);
}

.cas-usages__feedback {
    min-height: 24px;
    color: #0f172a;
    font-weight: 600;
    margin-bottom: 8px;
}

.cas-usages__results {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cas-usages__card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.cas-usages__card-header {
    background: #0f172a;
    color: #e0f2fe;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.cas-usages__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cas-usages__badge-number {
    background: #fef9c3;
    color: #92400e;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.cas-usages__card-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.cas-usages__card-body {
    padding: 14px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 60%);
}

.cas-usages__card-subtitle {
    margin: 0 0 10px;
    color: #1e293b;
    font-weight: 700;
}

.cas-usages__description {
    margin: 0 0 10px;
    color: #1f2937;
}

.cas-usages__controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.cas-usages__toggle,
.cas-usages__copy {
    border: 1px solid #cbd5e1;
    background: #fff;
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.cas-usages__toggle:hover,
.cas-usages__copy:hover {
    background: #0ea5e9;
    color: #fff;
    border-color: #0ea5e9;
}

.cas-usages__instructions {
    background: #0f172a;
    color: #e2e8f0;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #1e293b;
    font-family: "JetBrains Mono", Consolas, "SFMono-Regular", monospace;
    white-space: pre-wrap;
    font-size: 13px;
}

.cas-usages__instructions-title {
    margin: 10px 0 6px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: 0.01em;
    font-size: 14px;
}

.cas-usages__hidden {
    display: none;
}

@media (max-width: 640px) {
    .cas-usages__form {
        gap: 14px;
    }
}

@keyframes cas-usages-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}