/* Formulaire de facturation */
.invoice-form {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--color-text-muted);
}

/* Inputs & Selects */
.select-wrapper {
    position: relative;
}

.select-wrapper i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

input,
select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
    appearance: none;
    color-scheme: dark;
}

input:focus,
select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.2);
}

input:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 0.9;
}

/* Boutons */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(109, 40, 217, 0.4);
}

.btn-primary:disabled {
    background: var(--color-surface-hover);
    color: var(--color-text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    width: auto;
}

/* Zone de glisser-déposer */
.drop-zone {
    width: 100%;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    transition: all var(--transition-fast);
    display: flex;
    justify-content: center;
    align-items: center;
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-secondary);
    background: rgba(250, 204, 21, 0.05);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

.drop-zone-content .drop-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.drop-zone-content .drop-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.drop-zone-content .drop-text strong {
    color: var(--color-text-main);
}

/* Ligne d'ajout & prévisualisation prix */
.add-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.line-price-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    background: rgba(15, 23, 42, 0.4);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.line-price-preview.hidden {
    opacity: 0;
}

.line-price-preview .label {
    color: var(--color-text-muted);
}

.line-price-preview .value {
    font-weight: 600;
    color: var(--color-text-main);
}

.line-price-preview .tag {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
}

/* Actions globales */
.global-actions {
    margin-top: var(--spacing-md);
}